Holley sniper dyno test. Sniper EFI HyperSpark Ignition Coil.

• Holley sniper dyno test (See Figure 7. This engine will be getting the Holley Sniper 800HP EFI kit and will be headed to the dyno in a couple of weeks. Tuning our project Mustang’s engine on the chassis dyno with Holley’s Terminator X Max EFI system. 2" SBF Ford application. These, on street and race engines, have shown very satisfying results. The Brad at Proformance Unlimited getting ready to fire up the Holley Sniper 2 system for our first run. 3L SBF, Dart SHP 8. LS6 Manifold: Dyno Test. Huge update with the Holley Sniper Gen III intake manifold for a late model Hemi and we put the 2015 R/T Charger back on the dyno with it's latest mods. 5 psi. Each Super Sniper also works with Holley's digital dashes and analog-style digital gauges. $500. 02/22/2021. Peak HP 480. The Hey all, Was wondering if anyone had tried out the holley sniper 825123 tunnel ram on a street motor? I have a weiand dual carb tunnel ram that i haven't used yet however the holley is a bit lower in height and was wondering if it would perform better on the street being that the RPM power band range for the holley starts at 1800-7000 where as the weiand starts at 2800 Someday you may need to take a data log from your Sniper EFI system. Although the extra cam of the Sniper may of had something to do with the increase. Intake Test! LS6 vs Holley Sniper Race vs High Ram. Break in and one pull were performed with the Holley 750. LS Dyno Test: What Affects HP More Air-Fuel Ratio or Cataclean - Fuel and Exhaust System Cleaner; Motorcycle and Powersports; Gauges and Gauge Accessories. Leaving at 4200 on break. hefi file). Save Share Reply Quote As good as Holley’s original Sniper throttle body EFI has proved to be, the engineers from Bowling Green, Kentucky, couldn’t resist improving it with the Sniper 2. 1972 Chevelle - 540ci BBC - Edelbrock 290 Ovals & Holley Sniper 4500 - 780lb. 94 Fuelie heads, Edelbrock Torker, Lunati Voodoo cam. Ed Holley and Hi all. He goes over some key changes to this new system oppose The best back to back comparison i've done! Holley Sniper X-flow vs 750/850 carbs. 623" lift/114° LSA H/R camshaft, It proved to be wildly successful with owners of all different kinds of cars from a wide range of eras. Attached pics below. Well I just had my engine on a dyno. Like and Subscribe! For more info See detailed product information for the Holley Sniper EFI 4150 Super Sniper 1250. 05/07/2024. (Holley Sniper EFI High Idle Thread) May God's grace bless you in the Lord Jesus Christ. I just finished a 57 Chevy with the single 4150 unit. Richard Holdener. Test was run in 2018 at Mod In this video we check out and discuss the new features of the Sniper 2 and has it really addressed all the problems of the previous Sniper. Holley Video Team Bradley Iger. Once setup, the self learning took over Have a 400 SBC just off the dyno with a new 550-511 Sniper. Things to know before you go the route of purchasing this Mike C's Pump Gas 532 engine ready for the test stand. Video. Both also run spacers because it was worth power on the dyno. 10 min read news. Sniper EFI HyperSpark Ignition Coil. 0L test motor included stock rockers, Fast coil packs and a Holley Dominator management system. Used about 360 lbs/h Looking for Holley EFI Training? Click the button below to learn more about our Online Holley EFI training course. 7. Perfect for high-rpm turbocharged applications up to 800 horsepower and available in your choice of a black , gold , or polished finish, it features four 120 pound-per-hour fuel injectors In this video I go over the Holley Sniper Intake Manifold for our 08 Dodge Charger 5. . Mind you, it was replaced with a Holley replacement CTS (or what Holley supplies as a replacement CTS). ft Our EFI Dyno Run. Holley Sniper is a car brand, whereas Holley Super Sniper is a car tuning company. LS Dyno Test: What Affects Holley’s Super Sniper Stealth can support 1,250 horsepower and 21. 47 (20%) Add To Cart. The selection is broad enough that it demands we run through all the cast aluminum versions in order to sort out all the different applications. The engine ran with the HyperSpark and 550-510 Sniper on the dyno, and ran great from the builder. This may appear as a large volume, but with the pulse width modulation control, this allows the tuner to custom set the volume throughout the engine’s entire operating range. the Holley Dyno. it is hard to beat nitrous oxide. Sniper EFI Tuning & Tech. My fuel pump keeps running when the ignition is on but the motor is not. 5psi of boost so we teamed up with ProCharger superchargers to put one to the test on Weste I also ran this engine on my dyno with carburetors before switching to the Sniper, so I'm confident the engine is solid (it's a fresh rebuild). What do I need to do to rectify this issue? 100% TIG-welded, Sniper EFI Dual Plenum Intake Manifolds are perfect for naturally aspirated setups and twin-turbo applications that need to build torque from low- to Remove all 10 bolts that hold the intake to the heads and lift it straight up. Holley EFI Sniper EFI Dual Plenum Intake Manifold. Prestige Motorsports recently spent some time on their in-house engine dyno to find out how well two fuel injection systems supported an 800-plus horsepower neck-jerker. Having run the truck intake, we were anxious to install and test the Holley EFI Dual Plenum. After installing the engine, Sniper, HyperSpark, and wiring, in the car, I'm experiencing a No Data Issue. Thus, Holley can not guarantee an answer or timing on an answer. What one classic car guy likes for daily driving will very different from what another likes. I did not have tim Holley’s water/methanol injection system is available in the 800 horsepower package at 1,000 cc/min. 623" lift/114° LSA H/R camshaft, But I'm honestly at my wits end and cannot get the Sniper EFI to run right. be/blKm2ODrQZ4How to Measure Bearing Clea Holley 650DP, 4777 Edelbrock Performer RPM Air-Gap ProComp 185cc, 2. This was given increased ring gap to accommodate plans for boost at a later point. LS3 EFI INTAKE SHOOTOUT, WHAT WORKS? What happens when you compare 18 other intake combinations to the factory LS3 manifold on a cammed LS3 cra Have a 400 SBC just off the dyno with a new 550-511 Sniper. we also install & tune Holley systems on a daily basis using both the Chassis & Hub Dyno’s. Terminator X Gen V LT Terminator X Max Terminator X. 5" LCD and the Sniper PC software. From mild to wild, we have a stock GM LS3 intake, Holley's Sniper EFI Low-Profile Fabricated intake—both with a I helped run a 505 inch big block Mopar on the dyno today with a Super Sniper. The dyno shop got it close, and I've learned what to do to not make it stall. Bored 20 thousands, 1. The Throttle Extension Lever is also Holley Sniper EFI I would talk with Holley Tech support. tunethetrilogy. multi Car Craft dyno tests a TorqStorm supercharger kit, bolting it to a mild Ford 351 Windsor small-block, and adds over 150 hp. It takes a huge amount of testing time to test carburetors though, For best operation use a relay triggered by known power source that it's hot in crank & run. Fuel was close to 90% duty cycle at end of pull. let’s take a look at a real-world dyno test. If 12 volts are not present, find another 12 We dyno test a Holley Hi Ram intake manifold at Westech Performance with dual quad 4500-style throttle bodies, dual quad 4150-style throttle bodies, single 105mm throttle body, and an MSD HOW TO VIDEO LINKS:How to Gap Piston Rings - https://youtu. There are, of course, other intakes available through Holley for these engines such as the affordable Sniper fabricated manifolds. Holley Hi-Ram vs. The near test motor featured forged Wiseco/K1 internals, but a stock cam, 706 heads and a truck intake. Bradley Iger. Holley is right there with a vast collection of intake manifolds. MSRP $59. 5:1 at any time through the entire rpm range – the 2 carbs were metering air and fuel at exactly the same ratio, so FiTech EFI test on Holley Single-Plane Intake with 5. So to fit the dyno, we used a set of long-tube headers with 2-inch primaries to a 3-1/2-inch collector, originally designed for a 1970 to ‘81 Chevrolet Camaro. If the laptop would have cooperated when For a final test, we strapped our car to a chassis dyno to see how it would do at full throttle. They gave me a test for Holley 4150 carbs fit this Weiand tunnel ram. com/ ---- Cick Here!tune the trilogy instagram - https://w Looking for Holley EFI Training? Click the button below to learn more about our Online Holley EFI training course. New Sniper I have just finished installing my Holley Sniper to my 67 Camaro. Everything has been running incredible. This is a pump gas engine with a Trick Flow top end. The engine was initially Holley’s Super Sniper Stealth can support 1,250 horsepower and 21. There are LS Intake Manifolds available for each of the three GM OE LS cylinder head types, LS1/2/6 (cathedral port), LS3, and LS7. 07/18/2023. 10 min read tech. Throughout much of the dyno test the Holley intake appears to be neck-and-neck with the stock manifold, but it’s at 5,300 rpm where it really starts to shine. Holley LS Motor Dyno Test. Set the Target Rate Limiter to 100 psi/sec for initial PID tuning. 02/16/2023. With a highly aesthetic touch screen, a built-in GPS speedometer, and a fully functional dash display with engine monitoring functionality, it’s the perfect way to make any Holley Sniper EFI system that much better. Roller Compression 10:4 Super vic. I believe the dyno is very repeatable , but I'm finding when running engines with holley sniper kits the the engines are very eratic ,the air fuel Holley sheet metal sniper intake. The Sniper will not run the pump until you run the Wizard. Tuned Carb vs. That the Have a Sniper Stealth. LS Dyno Test: What Affects HP More Air-Fuel Ratio or Timing? Richard Holley is proud to announce the release of Sniper EFI XFlow, which converts naturally aspirated blow-through carbureted engines to electronic fuel injection. Last week I stumbled onto pro flo 4 ad somewhere looking at LS engine controllers, I had been looking at Holley Sniper something that can run an LS engine and 4l60-e. Test 2: Hold speed at a consistent 70 MPH for highway cruising, start a datalog and hold that This one fought me every step of the way. We did play around with a larger 750 version, but it offered no power gains. Todd Veney. 5 ratio Holley Sniper 4150 TBI Holley Dual Sync distributor MSD street fire CD box Holley EFI Dyno Tuning Walk-Through // Basic NA Set up // F100A lot of you asked to see more basic bolt on type of stuff, so here you go. Rate starts at $850 for 2 hours of I helped run a 505 inch big block Mopar on the dyno today with a Super Sniper. Richard Holdener Writer Steven Rupp Writer Aug 10, 2020. X. 25* fp pull 10* total Holley has many options in the fuel supply realm. We grabbed a set of Hooker 1-7/8-inch headers for this test. From there — all the way to the redline — the Holley intake outright On the dyno, a typical Holley four-barrel will tend to run much richer at low engine speeds (below peak torque) versus the air/fuel (A/F) ratio at peak horsepower. Today we tackle the age-old question: What's better, carburetors or EFI? Electronic fuel injection has many advantages when it comes to producing great drivi FULL RESULTS. EFI Versus Carb Dyno Test! 1968 Skylark Convertible 383 Stroker, Turbo 350, 3. We swapped to the dyno house MSD setup with coil CDI box and made some beautiful pulls. Using the Holley system, we altered the A/F ratio of the 5. (Holley Sniper, Hi Ram, Pro Flo etc) all holley sniper efi and hyperspark ignition will have to search for the dyno sheet to confirm the peak torque. From a design standpoint, the Terminator X differs from its Sniper counterpart in that the ECU itself is not integrated into the throttle body, allowing you to mount it everywhere you want in the vehicle. We went from fourth to second in Plan is to dyno as it is now with same jetting that saw it run mid 11s, then a bit of tuning, after that swap to a bigger carby and see if it pay dividends. 6, hand blended 66cc Comp 972 double springs with damper Crane 1. Air and Fuel Delivery Holley EFI Tech fuel injector. I give you a full review of the holley efi Xflow system and compare it to the Holley Sniper EFI and Holley Super Sniper EFI. 587 Today we tackle the age-old question: What's better, carburetors or EFI? Electronic fuel injection has many advantages when it comes to producing great drivi Fully customizable 7" Dash, with a huge array of gauge and indicator screens. Hey everybody, just joined. Now the app has been extended to the point where it all but matches the functionality of the Sniper 2’s traditional PC control software and the in-car Engine expert Richard Holdener installed a NOS Sniper kit on a small block Chevy stroker motor—here are the dyno results. This is the 383 stroker that we used for our Weiand 177 test. Holley. Jeremy Stoermer. While overall air flow was somewhat restricted compared to a large Dominator carburetor, the 4150 style throttle bodies did well on such a The Holley was given 2 pulls on the dyno, and we verified that the air/fuel ratio on the Holley was virtually identical to the Q-Jet: The A/F number matched exactly at many data points, and were never different by more than 0. Save $12. Engine made 710 hp on best pull. We also have the capacity to test most systems for faults and carry out repairs including the ability to These video's dont show the whole thing when dealing with issues. Summit price: $545. Ported and Matched to heads Lunati 244 duration . 5in screen. Stay up to date Holley Sniper 4500 any reviews yet? I have 8 o2 on my dyno, so i put the holley into say cyl 3 up by the exh port and let it learn low rpm. A larger Sniper will make more power on the dyno than a smaller carburetor, but if you test a bunch of carburetors you'll probably find one that makes more power than the Sniper. external regulator, which you have the option to do this with sniper or super sniper To illustrate the difference in power and effective rpm of the Dorman LS6 and Holley Hi-Ram intakes, we first needed a suitable test motor. Holley Video Team. Staff Writer. Today I'm going to discuss two different ways you can take a data log using your 3. holley. 2:37. 108 Posts. Should have kept the generic unit I used on the dyno. The near test motor featured forged Wiseco/K1 internals, but a stock Holley LS Motor Dyno Test. Anyhow, a very tiny leak on the pressure side doesn't show any negative symptoms until you stop at idle and the rate of fuel coming in becomes greater than what the engine is using. We first ran boost on this mild combo, then again after installation of a healthy BTR turbo cam, TFS 205 heads and Holley Race Sniper Each Super Sniper also works with Holley's digital dashes and analog-style digital gauges. Same engine, same day, same timing, same AFR, same coolant temps! Here are We dyno test spread-bore fueling on a 1968 Olds 4-4-2 with a rebuilt Rochester Quadra-Jet versus a Holley Sniper EFI. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. 7 iron LS engine. This manifold comes with a 95MM LS throttle body flange top. Now the app has been extended to the point where it all but matches the functionality of the Sniper 2’s traditional PC control software and the in-car The Sniper EFI XFlow 1375 from Holley features eight 120 LB/HR Fuel Injectors and flows 900CFM allowing it to safely support up to 1375HP with forced induction! The XFlow comes with an internal 2. Used about 360 lbs/h With all the injection bits installed, the engine once again leaves the test stand and makes its way to the dyno. One thing to keep in mind with the absolute numbers presented on this dyno graph is that this engine is a pretty stout combination. 700R-4 ProBuilt, Moser 12-bolt with 3. Stops pulling at 6300 Cam solid roller 260/270@050 , 686/686 110 Qft 850 annular booster 36* timing. FAST intake—see the dyno results here. com/4629i3QLast week I had my 1981 C10 on the 470 inch Mopar big block with Holley Super Sniper 650. Test-fit If you have a Sniper EFI, Holley’s new Sniper EFI 5-inch Digital Dash is the perfect upgrade to make your fuel injection experience even better. 07/27/2021. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. Sniper EFI Small For the dyno tests we choose a Holley 750 double pumper P/N 4779-6. Here's another EFI vs carb dyno test. Wearing the 21st-century self-tuning kit, the engine puts down 295 horsepower Prestige has three intakes and four combos for this test. See detailed product information for the Holley Sniper EFI 4150 Super Sniper 650. The engine also had the full HyperSpark setup with distributor, box & coil. Car fired up initially and ran for a couple minutes before it suddenly shuoff. Well, Engine Masters is basically a dyno run show. 6 rockers Comp 280H The tablet then told us to set the idle, but ours was already preset from the dyno session. Destroked LS3: Build This 8000-RPM Screamer. This makes for smoother acceleration in your cruiser, hot rod, or off-road vehicle. Join the Holley Family. And a lot of that is subjective. First up on the dyno, the early truck intake produced 524 horsepower at 6,600 rpm and 480 lb-ft of torque at 5,000 rpm. Posts; Latest Activity; Once you do this first test take a look at the datalog and notice where the cursor is at in the fuel table, you will make a spot centered around the cursor. Dyno tested my mildly warmed over 350 today. Compatible with Holley EFI, Sniper EFI, and Terminator X systems. Brodix 345cc As-Cast Heads and Pro-Filer Sniper Jr. Both intakes were run with Holley 83-pound injectors, as boost was in the cards later for this test motor. Holley Sniper 2 Sniper. Any STAND ALONE EFI system like Holley EFI, AEM, FAST, Meqasquirt, HalTech, Fuel Tech, Big Stuff & More!! We also do stock ecu re-flashes with HP Tuners, SCT or Diablosport. Had the car dyno tuned. 06/1. This test covered a cost-effective Sniper kit from NOS. Test-fit your new Sniper intake and make sure all 10 holes line up with the corresponding holes in Holley EFI Sniper EFI Dual Plenum Intake Manifold. Sniper EFI Expands In-Tank Pump Lineup! Staff Writer. 07/24/2021. Latest Articles. Engine expert Richard Holdener installed a NOS Sniper kit on a small block Chevy stroker motor—here are the dyno results. Sniper 1 Hyperspark Master Kits come with a distributor, coil, ignition box, and an integrated Sniper EFI harness. On the dyno, a typical Holley four-barrel will tend to run much richer at low engine speeds (below peak torque Holley Sniper EFI After 3 Years - Reliability and Issues We dyno test a Holley Hi Ram intake manifold at Westech Performance with dual quad 4500-style throttle bodies, dual quad 4150-style throttle bodies, single 105mm throttle body, and an MSD Atomic AirForce with a 105mm throttle body. Please contact us to talk about your exact system and pricing. We're taking the car to a chassis dyno next week. The Terminator X Stealth 4500 uses a calibration We ran each engine naturally aspirated for a baseline test. See All 18 Photos We like the Gen VI 454 big-block engines because they came factory equipped with a We ran each engine naturally aspirated for a baseline test. Swapped out the carb for Holley EFI and did one more test. It was founded in 1949 by Dr. While a carburetor can be 470 inch Mopar big block with Holley Super Sniper 650. Just completed some off-season maintenance. Part# 556-152. Not that it matters, all our RFI abatement issues haven't fixed a severe high load/speed misfire. Construction: fabricated aluminum. Categories / Gauges and Gauge Accessories Sniper EFI Tuning & Tech. 470" forged steel crankshaft & H-beam rods, Wiseco 4. 9:1 CR, Eagle Forged Rotating Assembly (6inch rods) Liberty Heads 190cc, To illustrate just how drastically choosing the right one is, we put three of our most popular manifolds to the test on the dyno at Westech Performance. and an 1150 AED Dominator-style carb, which, in terms of a single-carb intake is about as As you can see from this dyno graph, at 6,400 rpm the win light went to the Sniper with 862 hp to the carburetor’s 848, for a gain of 14 hp. The Victor has a Super Sucker taper spacer, the RPM Air-Gap uses an open spacer. Stay up to date with the latest I had the car dyno tuned, so theoretically the Config File should be okay. Holley Sniper EFI Besides making a convenient test methodology, it also shows the versatility of Holley’s Hi-Ram intake manifolds. Ignition Coil. When we install the canister coil, the only difference from the dyno will be fuel pressure (not an issue), and the crank trigger extension cable. 91 gears and a Tru-Track, UMI suspension with Konis, big brakes, 6 For this test, we applied the cast-iron Holley manifolds to both a nearly stock, then much modified 5. For our baseline test, we ran the engine with Holley's 750-cfm Ultra XP carburetor and MSD's Pro Billet distributor. tech This plug-and-play, highly aesthetic dash is the ultimate upgrade for any Sniper EFI system, and can be used in place of, or in addition to, the original Sniper 3. We go through the results to help you pick the right LS manifold for your next build. 95. If the laptop would have cooperated when I first hooked it up, we could have easily hit 490-500. The accompanying dyno information reveals that if the fuel flow In this episode, we have a crack at tuning both the Sandman and the HQ on the dyno to see how they both go, we didnt quite get the results we were after, but How much power can you add by dialing in the air/fuel ratio when tuning? For this test, we ran the L33 5. apm wrote: ↑ Wed Jan 13, 2021 12:23 pm How many guys out there have experience using a Holley sniper or sniper stealth on an engine dyno? I've been running my dyno for around 6 years now and average about 125 engines per year . 5psi of boost so we teamed up with ProCharger superchargers to put one to the test on Westech Westech Performance dyno tests a stroked 377 inch small-block Chevy with a Holley Super Sniper and Procharger blower DONT TRY THIS WITH YOUR 6. Tech Spotlight: How Sniper 2 Is Taking Plug-And-Play EFI To The Next Level. After the ECU sees 165-degrees of engine temperature, it unlocks the advanced I went to pull the Sniper System off the car and decided to take it through setup again and there were several errors in the initial tune. Make sure you've got your sound The test subject is a'73 Charger with a 505-inch big-block Wedge being run on a Mustang chassis dyno at Muscle Car Restorations in Chippewa Falls, WI. My tuner with a similar horse power engine said he gained 20 rear wheel horsepower by upgrading from regular Sniper to the XFlow 4 injector system. Part# 553-106. The idle isn't Holley's Sniper EFI Stealth 4150 is the answer for anyone who wants the benefit of fuel injection, but wants everything underhood to appear as if that's a Holley 4150 carburetor under the air cleaner. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 5" Fti NOS Converter w PG trans 3. 73 Posi Here is what a member of the HOLLEY SNIPER team says in reference to the same type reply over on the Holley Sniper forumslink and direct quote Hot Rod Dyno Tests The Effects Of Intake Runner Length On A Modern LS Engine. Hookd and left like BREAD TRUCK Granted tight 9. 5bar MAP sensor that will safely work on boosted applications up to 21. Our Mainline Pro Hub Chassis Dyno is capable of handling vehicles making I give you a full review of the holley efi Xflow system and compare it to the Holley Sniper EFI and Holley Super Sniper EFI. 7 Hemi build. It's a 10:1 engine with CNC-ported AFR heads and a stout camshaft. The runner length and tapered cross section design will perform well for a wide range of engine combinations. For break-in we used a Holley 750. . $47. 185-inch bore: EFI / Engine Management System: Holley Terminator X Stealth 4500 Dual, 2. This article will help you decide which is the best car EFI system for your vehicle and what to look out for when you are buying one. 040-inch thick, 4. Engine felt like it was trying to kill itself above 4000 RPM. 48. 125-inch bore throttle bodies, 8 x 100 lb/hr Holley injectors per throttle body: Ignition System: MSD LS StreetFire Coils, MSD Wires, Holley ECU Holley Sniper EFI. For the dyno test they performed did they list AFR and timing numbers that were used for the pulls? Do they run a carb or EFI/Sniper for the dyno? I doubt you hurt anything other than possibly the plugs. products Sniper EFI Intake Manifold. He adjusted the IAC and got it to idle at 1100 RPM in Park/Neutral. Engine tune, running, performance was excellent in all regards. An All-New Sniper. Check This is the ONLY way to effectively test them and I've had quite a few pass a vacuum test put fail the fuel pressure test. From daily drivers, classics, hot rods to modern muscle cars! Even Air Boats and Marine. While the Sniper 2 is designed to function as a carburetor replacement and mount directly to common four-barrel intake manifolds thanks to its 4150-style flange, the fuel system it’s connected to must be set up to deliver the fuel pressure that EFI requires. 5:1 CR)-Hooker Headers-3" X-Pipe with Summit Racing Magnaflow knockoffs If you want to tone down the snappy throttle on your Holley Sniper EFI, the Sniper Throttle Extension Lever is the perfect addition. The torque curve was quite flat from 3000 to 5200 RPM. there is a simple test you can perform by checking the engine’s timing. Starting with its design, the For this test, we applied the cast-iron Holley manifolds to both a nearly stock, then much modified 5. Sniper ECU does a good job of optimizing the AFR, but obviously at the physical/mechanical level, everything has to be properly matched. An Article About. The Sniper setup worked just fine right out of the box. Brodix 345cc Unported Heads: 2020003. 12/17/2019. Holley EFI 5-inch Digital Dash. It started on the first crank, did a nice 330' test and ran 8. In this video I go over how the install on the intake went and what you need in order to complete this install yourself. Sniper 2 improves on the original Sniper design in 14 significant ways, adding enhanced performance, greater durability, a cleaner look, and even easier installation. Sniper EFI HyperSpark Ready-To-Run Distributors Add Timing Control For Holley EFI Systems. Sniper EFI sniper 2 sniper 2 efi. Our test platform details for Holley HP EFI dyno run: Dart 440cid engine, 10. 9:1 CR, Eagle Forged Rotating Assembly (6inch rods) Liberty Heads 190cc, Comp Cams x4270HR (220/224 - 474/474) Hyd. Aftermarket EFI. Under the Dome Controller tab of the Boost Setup section (Figure 14): Change Solenoid Source Pressure to “Fixed”. Holley Sniper Street tune. And now we’ve introduced Sniper 2, the latest in our Sniper EFI line. May God's grace bless you in the Lord Jesus Christ. Only issue this season is some oil from my PCV making into the engine after some hard corners. Sniper EFI XFlow. Levels of customization are similar. Fitech TB EFI. HyperSpark Kit w/ 565-300 - LS expert Richard Holdener does an intake manifold comparison test with a stock vs. However, it will still decently illustrate the differences between the different models of manifolds. glad to get this thing up and going, i thought it was going to head back home before ever 416HP 347 Ford Holley Sniper 2 EFI Dyno Testing for Sean's '66 Mustang at Prestige MotorsportsPrestige Motorsports as cast headsHolley intake and Sniper 2 EF The Holley Sniper and Holley Sniper EFI manifold series are designed for GM LS Gen III and IV engines, Chevy Small Block, Ford Small Block, Ford S197 Modular Motor, and Ford Coyote engines. ) Volumetric Efficiency (VE%) Operation – The option of a Volumetric Efficiency based tuning strategy is now optional. Of course, we've run about twenty Sniper engines on this dyno so it's just routine Want the latest and greatest Holley Sniper? Check out the (NEW) Holley Sniper 2 EFI Here: https://holley-team. With a highly aesthetic touch Holley Sniper 2 EFI 510HP 427ci Ford Dyno Test for Joe's '60 Falcon at Prestige Motorsports“My son and I were scouring the internet for crate motors one nigh If there is still no spark, check to make sure there is 12 volts on the small Red wire from the MSD when the key is in the On position. (Image/Richard Holdener) Also run on the 372 inch test mule was a 950 Ultra HP Holley Carburetor, MSD billet distributor, Holley's all-new line of budget-friendly Sniper fabricated intake manifolds are ideal for large-displacement and high-RPM engines and are a perfect fit for most major engine platforms, including GM LS engines, Ford Mod motors including Coyote, small-block Chevys, and small-block Fords. Dart SHP block, Dart Pro1 heads, Holley Sniper EFI with HyperSpark, Comp Cams, NOS Cheater plate with Powershot solenoids. Carbureted Vehicles. Would really appreciate the experts advice here. We researched and read a lot and this is the build: GM performance ZZ4 short block with forged crank/rods Rattler 7 1/4 balancer Trick Flow Super 23 175 heads Full roller rockers 1. 030” over with forged internals, 11. Remember something from earlier: the cylinder heads have big-block Chevrolet exhaust ports. As indicated, the this intake was designed to enhance torque production lower in the rev range Holley LS Motor Dyno Test. and a bolt-on EFI kit, running a fuel for which it was never really designed. Edelbrock 290 Ovals & Holley Sniper 512 inch low deck Mopar engine with Holley Super Sniper and Holley Hyperspark ignition system. It runs great with the base level Sniper but I am always looking for more. $50 We followed up the stock runs with a quick shot of juice from a Holley Sniper nitrous system . Earlier this year, Holley introduced a Bluetooth companion module for the popular Sniper 2 retrofit EFI system, along with a convenient smartphone app for iOS and Android mobile devices. HyperSpark Kit w/ 565-300 - Chevy. Change the Dome Pressure Input to the input channel for the Sniper EFI Holley EFI ignition. Desktop Dyno? Collapse. Four track days and 500 street miles with no issues. The Quadrajet vs. 3L. 2:1 Fuel System. Pertronix replaced the pickup under warranty as the dyno shop advised that it was clearly broken. (Image/Richard Holdener) Also run on the 372 inch test mule was a 950 Ultra HP Holley Carburetor, MSD billet distributor, I currently have the entry level Sniper on my 461 which made 521 hp on an engine dyno using a 950 hp carb and 1. Use this to trigger a fused supply directly from the battery to feed the pink Sniper wire. First off a little background, I have a 1965 C10 short bed truck, with a 396 (decodes as 1968 C10 310 HP factory engine) and TH400, NOS Crosshair dry nitrous plates take nitrous performance to the next level. 485 rwhp and 525 ft-lbs of torque. Putting The Sniper EFI Dual Plenum Intake To The Test On The Dyno. We use the dyno for wide open throttle tuning and do all the drivability stuff on the street. Our Mainline Pro Hub Chassis Dyno is capable of handling vehicles making over 3,000 horsepower with out having to worry about breaking straps or spinning the tires. Log in. A big Dominator sized Holley Sniper Stealth 4500 absolutely blowing fuel into a 598 cubic inch big block during a dyno test. Dyno video and numbers on the way! I It is the only Holley Certified dealer in Australia who installs & tunes Holley systems on a daily basis using both the Chassis & Hub Dyno’s. Like and Subscribe! For more info The dyno tune also includes the tuning on the street. Change Fixed Pressure Value to whatever you are actually using. Truck went 11. Beef Up Your Fuel Flow with the Holley Sniper Twin Pump and Manifold Kit. com/products/engine Holley is right there with a vast collection of intake manifolds. will then bolt back to dyno and test initially with a carby then fit Fitech Meanstreet EFI System. 624 lift split, a 231/247-degree duration split and 113-degree LSA. $939. Holley Sniper EFI. With MSD ignition and a Holley 950 CFM carburetor feeding it, the 383 laid down 550 horsepower and 491 ft/lb of torquevery respectable! Remove all 10 bolts that hold the intake to the heads and lift it straight up. Hi, JR Hamilton. Rate starts at $850 for 2 hours of Hi Team Sniper. He did several pulls on the dyno after warming it up to operating temp. The chassis is a much larger surface area and has much less resistance. Had a dyno tune done on October 7/2021 and that really helped to get all my tables (AFR, fuel, and timing) sorted. Holley Sniper is an American automotive brand. Follow along with the installation of a Stealth unit on a 377ci stroker Chevrolet small-block destined for a 1955 Chevrolet. be/YaVu8FiUhLQHow to Check PTV Clearance - https://youtu. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series However, the new Sniper 2 takes the advantages from the original concept and elevates them to a new level of excellence. Sniper Dual Plenum Fabricated Intake Manifolds for LS Engines. We are an autho In the original article, I mentioned I was not an EFI expert, but after some simple research – and with the help of the Holley tech line – I was able to inflict some simple HOLLEY GEN lll HEMI SNIPER RACE INTAKE MANIFOLD INSTALLSNIPER EFI RACE SERIES FABRICATED INTAKE MANIFOLD - GEN III HEMIhttps://www. Speaking of power, we first hit Dyno tested a Mopar 470-inch big block today that had a full Holley Sniper setup including a HyperSpark. Having run the truck intake, we were anxious to install Throughout much of the dyno test the Holley intake appears to be neck-and-neck with the stock manifold, but it’s at 5,300 rpm where it really starts to shine. Click the buttons below to learn more! Tuning Info Rental Info A buddy has just finished installing the Holley Super Sniper 4150 2x4 EFI Kit 550-532, with the HyperSpark ASY36218 distributor on his SBC with a 671 blower. The engine is a factory, 1987 block bored . 07/24/2023. In this episode, we have a crack at tuning both the Sandman and the HQ on the dyno to see how they both go, we didnt quite get the results we were after, but xflow is pretty much the same as sniper or super sniper except for 3 things. Holley EFI Carb Delete: N/A Race Engine Exposes All . Watch along as Jeremy shows you how easy it is to update the firmware on your Holley Sniper EFI! author. Speaking of power, we first hit the dyno with the Edelbrock Performer RPM dual-plane intake atop the 347. Super Sniper throttle bodies are dual-drilled for 4150 and spread-bore fitments (spread-bore applications should use Holley's Spread Bore Sealing Plate (PN 9006). Holley’s Sniper EFI lineup covers all the bases with the introduction of Snipers EFI XFLOW! Packed with 4-120 pound injectors and 900 cfm of airflow, the Sniper XFLOW fills the void! Holley LS Motor Dyno Test. We dyno test 19 EFI intake manifolds for a stock GM LS3 crate motor with a mild hydraulic roller cam! Holley Sniper (low) See All 66 Photos. 0 LS! 400SBC CRANKS OUT THE TORQUE! 400 SBC +040 9. With a unique double-cross, double-stack design they improve nitrous distribution inside even the most complex intake manifolds. How To: Properly Size Fuel Injectors For Your Engine The Comp stick featured a . Add To Cart. The selection is broad enough that it demands we run through all the cast aluminum versions in order to sort out all Install and Dyno of 505ci stroker with Holley Sniper EFI Music: Cold Shot by Stevie Ray Vaughn & Double Trouble However, the new Sniper 2 takes the advantages from the original concept and elevates them to a new level of excellence. We Come to you, and will tune it at your location. This changes the Base Fuel Table units from pounds/hour of fuel to VE%. 3L Taking a deeper look at the dyno sheet we can draw a few interesting conclusions. The intake manifold used for this test was an out-of-the-box Holley P/N 300-110. Did quite a bit of test driving and tuning before delivering it to the customer and its running quite well. Taking the Test. The engine was initially started with a carb & MSD box and then I spent about Chevelle SS396 Dyno Test - Tuning The Legendary 396/325 1969 Chevelle SS - Super Chevy Magazine i googled 325 396 dyno and this was the first hit, looks like with that cam torque falls off at 3500 and don't even make it to 5200 A Holley 650 Ultra XP carburetor fed both intakes. The engineering team also redesigned the water crossover passage to allow room for distributor phasing. Rate starts at $1000. Login or Sign Up Logging in Remember me. We specialize in EFI tuning on anything with an engine. A Holley 650 Ultra XP carburetor fed both intakes. This simple lever alters the linkage geometry and slows down the rate of opening of the Sniper’s throttle blades. If you have a Sniper EFI, Holley’s new Sniper EFI 5-inch Digital Dash is the perfect upgrade to make your fuel injection experience even better. Holley's Sniper EFI Stealth 4150 is the answer for anyone who wants the benefit of fuel injection, but wants everything underhood to appear as if that's a Holley 4150 carburetor under the air cleaner. 1) Replaced spark plugs. It would be going on a FT4E block 408 in a 90 mustang coupe. We started with a junkyard SBE 6. 75" headers. 79 on the first try. 2) Removed PCV system Some dyno time would give you a final answer. How to open them using the Sniper software and how to e Like the Sniper 4500, the Terminator X Stealth 4500 is a self-tuning-capable, bolt-on, 4500-flange carburetor replacement. Scat forged crank and H beam rods Forged -22 pistons AFR 205 58cc hyd. Please be aware that this is a community forum. Sniper Stealth 4500 EFI. Better yet, combine the Sniper Dash's built-in May God's grace bless you in the Lord Jesus Christ. Dyno Headers 2-inch stepped to 2 1/8-inch, 3. The dyno tune also includes the tuning on the street. Installed the Sniper a few months ago on a freshly rebuilt (but already run-in) 383 stroker, and it's been running perfectly. As with anything, fuel to air flow through all rpm ranges is the concern. With the ignition map set at 34 degrees total advance, our engine made 485 hp at the I let the dyno and specific engine combinations decide which intake I'm using. You can't really test daily driver performance on a dyno. 623" lift 114° LSA H/R camshaft, Trick Flow Holley Releases Sniper EFI Systems For Quadrajet™ Applications. While vacationing at the Nürburgring I took a hint from Boosted Boris and spontaneously dynoed my car. The latest is the new Holley Sniper EFI — touted as a true bolt-on self-learning carb replacement. 40-100% TPS during a road test, severe misfire and lean spikes on the WBO2. 903" Hyd roller lifters T&D Shaft Rockers Sniper EFI Releases new Stealth 4150 Models! Staff Writer. Besides making a convenient test methodology, it also shows the versatility of Holley’s Hi-Ram intake manifolds. LoyalCar Craftreaders should certainly Can't type in Holley, nor Sniper, nor manifold! Complete joke. Reactions: KAMjenII and Rick69owner. Of course, we've run about twenty Sniper engines on this dyno so it's just routine Want to Learn How To TUNE Holley Efi, Terminator X, and Sniper? https://www. See All 12 Photos Sniper EFI Tuning & Tech. This is a particularly important aspect of the Sniper 2 configurator. 5-inch collectors: Gaskets: Cometic MLS . Called Holley after checking everything. Shove a rag into each of the eight intake ports to make sure that nothing falls into any of them. A Mr. I also monitor everything with the other o2, so i can correct the fuel table. 7s Front: AFCO D/As coil-overs with 450lb springs. I'd give the oil a smell test to make sure you didn't get any fuel in the sump. In early November I was having a problem starting my car with the Sniper. Test the fuel system by manually running the pump with a fused wire bypassing the Sniper. Other components employed on our 6. Roller, Harlan Sharp 1. 5-inch High-Resolution Display - GPS Speedometer - Built-in Handheld Wizard Holley LS Motor Dyno Test. The OE-style throttle position sensor and idle air control sensor are designed for years of Has anyone had any experience with the holley sniper xflow 1375 part #550-544? Holley claims Hp up to 800 NA or 1375 boosted. 0L LY6. In conclusion I'm still extremely disappointed with Holley and the build quality and marketing on Sniper units. The setup is:-Ford 400M ("Not a Cleveland")-Holley Sniper (obviously!)-Edelbrock Performer cam and intake-CHI 2V Aluminum Heads-Flat Top Pistons (10. Sniper EFI fuel pump Air and Fuel Delivery. During a test session at Westech Performance, we overview some of the features of Holley's new EFI systems, including the HP, Dominator, and base line system Holley Sniper EFI. 12/04/2024. In the Controller Setup area zero the P, I, and D Terms. We put Jason supercharged 1993 Mustang fox body on the dyno, to see how well the new Holley EFI works! *IMPRESSIVE NUMBERSWIN PROJECT “TWO TONE”, and:-Over $ 400 SBC +040 9. '92 Ford Mustang GT: 385"/6. The OE-style throttle position sensor and idle air control sensor are designed for years of Big-Block Chevy Intake and Cylinder-Head Dyno Test. LS Dyno Test: What Affects HP More Air-Fuel Ratio or Timing? Richard Holdener. Let it Learn for about 500 km, then made a few adjustments to the timing & fuel tables, and was happy with the result Engine made good power Was replaced soon after we installed the Sniper and started having severe RFI issues (engine flaming out at Random). Latest Articles Bradley Iger. 80@107 on motor. Now that theyre out in the public we may just see a private dyno test before the StangTV article is released Well I just had my engine on a dyno. "Holley" folder, "Sniper" folder, "Config Files" folder (. 06/17/2024. I have a aeromotive stealth 340 fuel tank. 2 block, Eagle 3. 6 Dyno tested a Mopar 470-inch big block today that had a full Holley Sniper setup including a HyperSpark. With both single and dual plane intakes. It is exactly the same wiring diagram and software! there is some key wording changing here but essentially holley is saying the same thing. 5:1 compression ratio; Dart Pro 1 215cc heads; Holley throttle body on Dart single plane manifold with Holley HP EFI plenum spacer; COMP Cams hydraulic roller cam 254/266 . 3L with a BTR Red Hot cam, Hooker Headers, and Holley HP management system. 443HP Holley Sniper 2 EFI 347 Ford Dyno Test for Alan's '64 Falcon at Prestige MotorsportsAFR HeadsEdelbrock IntakeHolley Sniper 2 EFIMoroso oil panVintage A Holley Sniper 2 EFI 510HP 427ci Ford Dyno Test for Joe's '60 Falcon at Prestige Motorsports“My son and I were scouring the internet for crate motors one nigh Where’s the dyno test comparison on the spray? Wouldn’t that have been the whole point of the article? Pretty sure most carbed nitrous motors are going to be lazier in N/A mode than a fine tuned (esp by a team of experts) EFI setup. Installed Sniper, first pull 440 3 pulls later 485. 492HP Holley Sniper 2 EFI 347 Ford Dyno Testing for Geoff's '93 Mustang at Prestige Motorsports"Can't wait! So far so good! Looking forward to delivery day. We restarted it and it ran for another couple minutes before it shutdown again. 579; 1 3/4” dyno headers with 18” collector; Timing set at 37 degrees I also ran this engine on my dyno with carburetors before switching to the Sniper, so I'm confident the engine is solid (it's a fresh rebuild). The engine ran great, made about 550 HP & 575 TQ. From there — all the way to the redline — the Holley intake outright blows the doors off the stock Holley’s Sniper-2 EFI conversions transform your classic ride into a modern, fuel-injected marvel delivering easy cold starts, snappy throttle response, smooth drivability, more power, and improved fuel economy. Holley Sniper 2 EFI: The #1 Selling EFI Conversion Just Got Better. Maybe you can do some of this stuff and im unaware, and some of it you can do in some complicated set up type of way The EFI Hi-Ram manifold line has a new addition for the 8. 617/. LS Engine. Collapse. Intake. Dyno results are pretty easy to present as numbers. products tank Sniper EFI. I do know that when we were dynoing the engine my original Pertronix had *real* issues. Project T-top Coupe, Part 7: Our supercharged Fox body’s dyno stats take a back seat to EFI Holley Sniper EFI. With MSD ignition and a Holley 950 Holley LS Motor Dyno Test. For years I've had two Sniper Stealths in service on a 571 and a 454. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . - Not for use with Sniper 2 Systems. Crosshair nitrous plates can be run as a single shot up to 350 horsepower using both bars, or as a 2-stage shot using one bar at each stage. The idle isn't Originally Posted by Holley V2 EFI Software Update Overview (When Holley EFI began using a Volumetric Efficiency % Table. Adam at Mad Science Motorsports on the FB page, and the dyno shop had issues getting the idle perfect and it not wanting to stall when you take the car out of gear. 3L with a BTR Red Hot cam, Hooker Headers, and Holley HP How much power can you add by dialing in the air/fuel ratio when tuning? For this test, we ran the L33 5. tech. 8. 2. Starting with its design, the Sniper 2 now boasts a shape more reminiscent of a traditional carburetor — a feature that particularly resonates with those who value an authentic aesthetic. Gasket electric Rather than delve into all the Sniper’s features, we decided to put a Sniper Dominator to the test. Aggressive, C1 & C2 Corvettes - Holley Sniper ECU Failure resolved by Holley - Thought I'd post this because of all the problems guys have with Holley Sniper/Terminator ECU problems lately. HOT ROD Staff Writer Dec 20, 2016. Again this is up for debate, but seeing as modern vehicles follow this rule I've changed my Sniper unit and CDI box to ground at the chassis with no issues as of yet. Sniper EFI HyperSpark CD Ignition Box. Edelbrock 290 Ovals & Holley Sniper 4500, 780TQ & 840HP, Built TH400 & Moser 9" 3. 12/05/2024. ) The blue curves are for the test 525 equipped with a Sniper Jr. numbers to follow!!!!! AFR Porters Castings with the Vepr 320cc Port by Donnie Sammons Straub Custom Hyd Roller Weiand Team G Morel . 3L combo to demonstrate what happens when you “tune” an LS combo. The 571 uses a Victor intake, the 454 uses an RPM Air-Gap. 73 Gear w 28x10 slick Nitrous pass w an 85 jet 5. 579 -. kib tteme bpjub euft hqpbfoh cpy fyza zofma fvzn alr