Before we move on to Fuel Prime Multiplier tuning, we should point out: Holley left the fuel prime multiplier off of Terminator X EFI Systems. Fuel Prime Multiplier is primarily a benefit to throttle-body based EFI systems. Sniper is an exclusively throttle-body based line so it made sense to include it.
Once it was, I adjusted the Idle AFR to 14.0, The WOT AFT to 13.0 and the Cruise AFR to 15.0. She was happy and had no temp issues of lack of power in Lean Cruise, so I upped the AFR to 15.5. With those settings, I am averaging over 25 mpg. Pure Highway @ 65 is over 27mpg.
Just Friday after the car/engine had been running great for months, it started having crazy AFR numbers, hesitation, stalling, popping, and being almost un-d...
Dec 11, 2016 · HOLLEY SETUP USED: 600 HP Sniper in shinny finish ENGINE VACUUM: 8-9" CAM SETTING (Stock/Mild | Street/Strip | Race) AND YOUR CAM SPECS: Street/Strip.233/[email protected]", 620.600 lift, 107 LSA IAC COUNTS @ IDLE 7-8 TIMING CONTROL: Y/N? NO. Tried to run it on 2 separate occasions.
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Sniper EFI software was designed to make navigation simple and easy. Most tuning parameters and software functions can be found by selecting an icon from the toolbar. Detailed instructions of each icon are contained in this manual. FUEL SYNC
Holley sniper on a 1963 ford galaxie country sedan
Hi, I'm having problems with my Sniper. The AFR stays stuck at 35.6, I already changed the oxygen sensor and it stays the same, at 35.6. I read in this forum that there seems to be a problem with the Sniper in that sense. I would like to know how to proceed to escalate this issue to Holley. I have already written twice without receiving an answer.
The Sniper EFI system looks at the closed-loop fuel compensation required to reach your target AFR. It is reliant on the data acquired by the included wideband oxygen sensor. The learn function will offset the base fuel table until the closed-loop compensation only requires minimal changes.