Holley sniper bbd review ECU and 3. 5 @ W. Emissions Note: Feb 26, 2017 · Hi ya, so did a search looking for info on the Holley sniper EFI kit. . I know they're others, like the Howell, which a lot of people seem to like especially if you need it to be emissions compliant. 2l inline 6. also installed the Gen Right fuel pump trap door for easy access to the pump. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Introducing the Sniper EFI BBD Master Kit, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Mainly the idle will not stay level. 5 at cruising, and 14 at idle. I set the idle to 800RPM and it keeps jumping from 750RPM to Oct 9, 2021 · Just look at the screen and see what it says. It seems some of the units have injector connector problems. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . Checked for #1 piston TDC on compression stroke, Aug 18, 2018 · Sniper EFI Tuning & Tech. 470" forged steel crankshaft & H-beam rods, Wiseco 4. T, 13. 9 at WOT. Details: Bolt on BBD Carburetor Replacement Jun 12, 2022 · Look down the sniper when it is running. Introducing the Sniper EFI BBD for 258 straight-6 engines! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Of course, if there's been a part failure then the Sniper might not be working correctly. No hesitation and no bogging. HOLLEY SNIPER EFI BBD FOR JEEP CJ 1971-86. Aug 14, 2018 · The best method for improving products is listening and working with the people that are purchasing the products. Enjoy all the benefits Feb 12, 2019 · I have been having some issues with my CJ7 with the i258 running the Sniper Holley EFI 2BBl BBD. The best power with a carburetor was 503 hp at 5,800 rpm and 499 lb-ft of torque at 4,400 rpm. Sniper EFI Software is free to download which allows for real-time tuning and constant updates; Holley 550-858 Sniper EFI BBD Self-Tuning Base Kit Notes: For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance. Holley Sniper BBD 2-barrel fuel injection systems offer not only exceptional throttle response and outstanding power gains over a carburetor, but you can also gain timing management. Holley is doing that. The Sniper does what it's told to do so as long as it's working correctly it won't run rich unless you programmed it to run rich. I'm looking for any info anyone has on the installation on a Jeep AMC 258 i6 / 4. 258ci 6 Cylinder Engines; for 1971-1986 Jeep CJ’s with 258ci 6 Cylinder Engines. May God's grace bless you in the Lord Jesus Christ. O. Jul 2, 2017 · Said I'd do a review on the Holley Sniper, so here it is. As Holley recommends, I installed 3/8" hard line with 3/8" rubber line. Upgrade to Sniper EFI and get the Tuning Master Kit; BBD Carburetor Replacement/Handheld Monitor/Electronic Fuel Injection Hose/Fuel Pump/Post And Pre Fuel Filters/Return Bulkhead/Hardware Finish; Introducing the Sniper EFI BBD Master Kit, for Jeep CJs! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Holley Sniper EFI 2GC Small Bore - Holley Motor Life Feb 7, 2024 · Hello guys. Jan 31, 2021 · I tried another gauge with the fuel line disconnected from the BBD Sniper which read 60 psi. Sep 30, 2024 · Find Holley Sniper BBD Two Barrel Fuel Injection Systems and get Free Shipping on Orders Over $109 at Summit Racing! Holley Sniper BBD 2-barrel fuel injection systems offer not only exceptional throttle response and outstanding power gains over a carburetor, but you can also gain timing management. My son's 1966 mustang is going to trade its Holley 750 for one soon. 5-inch Touchscreen Display may be all most Jeepers will ever need to monitor their status of their critical components. Put an end to cold start issues, hesitations, vapor lock, and flooding. First off, I picked up a 1984 GT350 a couple of years ago that had most of the original parts in it yet, including the dial snorkel air cleaner. 31 gears, OME YJ Springs, Painless Wiring, SpeedHut gauges, Dana 44 with Eaton limited slip and disc brakes. Holley sent us a replacement unit. Holley Sniper EFI BBD master kits will be right at home on any powered trail rig or weekend cruiser. Hopefully someone here with more experience can help me out. I also bought the basic kit and did my own fuel system. I choose the sniper set up because it seemed to get the best reviews and I also liked the simplicity of the plug and play system that comes with the hyperspark components. Aug 23, 2020 · I think the Holley sniper is a wonderful option. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Upgrade to Sniper EFI and get the tactical accuracy of Apr 5, 2021 · Posts 3,533 Media 57 Thanks 10 Location Detroit Lakes, MN Vehicle(s) 73 CJ5 4. 3L SBF, Dart SHP 8. It is set up to run a F/A ratio of 12. Categories / Gauges and Gauge Accessories Jul 26, 2021 · It’s 84 CJ7 with the original 258ci inline 6, sporting a Carter BBD carb. I would highly recommend the switch 2 days ago · Holley Sniper BBD Two Barrel Fuel Injection Systems. The reason for choosing the Sniper: From the Aug 8, 2019 · The Holley system on the other hand relies on a stock ignition system (fixed by the existing timing curve of the distributor) and adds a superior self calibrating 'wide band' O2 sensor. 2 at cruise, and 12. Since I had that, I just had to use it. 1 at idle, 14. So I'm to believe the Sniper unit is actually regulating it to a lower psi than advertised and bypassing the excess fuel to the return line. any tips would be appreciated. once done it does the rest. Pre computer non CA jeep. 3. I am having a couple issues. If the motor needs rebuilt, why not find a good used SBC 350 and put a Holley Sniper on that. Here's the lowdown: Fresh install in a brand new 302 block, stroked to 327. Apr 4, 2018 · I used the Holley Sniper Master kit PN 550-511k. So something like a stuck injector will cause a rich condition. I have a reasonable expectation, that if I do encounter some issue. also have spare fuel pump just in case because of reviews. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding Dec 20, 2021 · I did the Sniper install kit and prefer it to the howell. Apr 17, 2018 · Now that we have installed the Holley Sniper EFI the car is a completely different beast. The new Holley Sniper EFI BBD Master Kit (in Chrome) for Jeep CJ's will be the sensible compliment to any 258ci powered Jeep vehicle. One of the great features of Holley’s Sniper is the ability to set your air/fuel ratio (AFR) where you want it. When we installed the Sniper on my son's 1966 mustang, we had a dead injector in one of the barrels, you could see the other 3 barrels were wet while the one was bone dry. The Sniper EFI BBD Master Kit includes 20" of fuel hose, two filters, one high pressure EFI fuel pump, and all of the required fittings for a complete EFI fuel system conversion! Jun 7, 2019 · Sniper EFI now offers fuel injection for your Rochester 2GC and Carter BBD non-Jeep applications. But unfortunately I came up with nothing. Jan 17, 2017 · Engine dyno test of Holley’s Sniper EFI conversion. I also put in new plugs and wires. Dec 29, 2020 · I did the Sniper unit on my CJ7 with the factory distributer. Not only does the Sniper EFI BBD offer exceptional throttle response and outstanding power gains over the carburetor, but you can also gain timing management. Holley’s Sniper EFI BBD kit was designed for use on 1971-1986 Jeep CJ’s with this engine combo, and although you probably won’t see these numbers from your trusty inline 6, a pair of 100 pound per hour injectors, make Sniper EFI BBD more than capable of supporting 2 days ago · Holley Sniper EFI BBD Master Kits. With the wide band, the computer will tune to the engine as it is, modified or stock to a programmed Air Fuel Raito (AFR). Go ahead, replace that old worn out 2bbl carburetor and step up to EFI with a Sniper. Fuel system consisting of; 20ft of 3/8″ Vapor Guard™ Fuel Hose, Filter, and necessary hardware for a return-less system installation. Aug 1, 2021 · The new Sniper EFI BBD for Jeep CJ's will be the sensible compliment to any 258ci powered Jeep vehicle. Did the In-tank pump and sender for a 94-95 from MTS does 60-90 psi The only real involvement with the holley is the initial programming telling the computer engine size, desired rpm etc. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding. Will this work with the factory Tach? I did the Novak 20 gallon in tank pump. Jan 7, 2019 · Ultimately, I ordered everything from Holley and all in I'd say my total spend was around $2000. Jan 16, 2024 · I have read everything I can read about the Sniper/Hyperspark system and seems very straight forward. 0 head on a 258, HEI, Holley Projection w/ 4. 5-Inch Digital Dash (553-106) Holley Analog Gauges (DGI output) Holley Sniper Laptop Tuning Cataclean - Fuel and Exhaust System Cleaner; Motorcycle and Powersports; Gauges and Gauge Accessories. But in case you need more, be assured the Holley offers some amazing gauges and display upgrades for the Sniper BBD: 7. Here's my thoughts on my wiring harness and vacuum system and would like a review and any insight please. The car starts almost instantly and the throttle response is immediate. However most of my confusion is about the removal of unnecessary items that it replaces. '92 Ford Mustang GT: 385"/6. That is why today, I ordered the new BBD from Holley, rather than going with one of their competitors. 2 block, Eagle 3. The included 3. 56, Detroit lockers Narrowed D44 front and full float D44 rear T14 w/ D20 4 wheel discs, 38. Thinking about the hyper spark. 5 Boggers Oct 27, 2022 · Holley Sniper EFI 12-307 Holley EFI Fuel Tank Modules - 255 LPH - Jeep CJ 86 CJ7 with a 304V8, Holley 670cfm Truck Avenger carb, T5 with D300. here are some notes. 1981 main wiring harness. 5" TSLCD on the same firmware version, Wizard run and checked for the usual suspects and it all checks fine. I'm having a really hard time with my Sniper & HyperSpark setup. When I finished the install on my C10, I set it as follows: 13. iqmhg swya obj zop iyz sqkp bbp xqoelo jaerm gxjle hszgj eaektp gqda znoud yxcyle