21 results in 0.0129 seconds.
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HP running too rich on startup.
My Hilborn ITB EFI is running too rich, AFR 11 to 12ish on startup. What's the best way to tune this with my Holley HP? I don't have an IAC or PCV, just...Last edited by smalliehunter; 07-26-2023, 01:11 PM. -
Knock on startup?
Does anyone else regularly see knock at startup? Attached Global File and two datalogs, one with knock and another without. Knock occurs at 2.2s, very... -
Idle tuning LS stroker with large cam overlap.
Hi all. I'm chasing some advice/tips & tricks for tuning the idle on an LS engine with a cam that has quite a lot of overlap.
I'll preface... -
Chasing idle problems for a year now.
Small Block 383 with Sniper and HyperSpark distributor in a Suburban with a manual transmission. Truck runs fine with the exception of idle behavior....Last edited by KevinDS; 02-01-2022, 06:02 PM. -
Sniper 2GC on Suzuki Samurai 1.3L Engine
Wanted to share my experiences installing a Sniper 2GC on a Suzuki Samurai 1.3L engine. Hope this helps others in a similar situation.
How... -
Oscillating/Surging Idle
I've had the Sniper installed for a while and it has worked fairly well. However, after "tuning" the engine surges (the surge oscillates at... -
Crazy wild IAC swings on Sniper setup.
Howdy all. New Sniper install on a fresh BBC 468 build, very mild cam, stand-alone HEI, nothing fancy going on, +15" vacuum at idle. Engine... -
Misfire At Idle
Engine Information:
5.9L Dodge Magnum fresh reman with upgraded valve springs and a Comp Cams 20-604-9 camshaft
Air-Gap dual-plane (I'm... -
LS3 Discussion Thread
This forum has been incredibly helpful to me for getting my LS3 up & running. I've been lurking around this forum for a little while now and noticed... -
High idle at operating temp, even while driving.
Hi, all. I've recently installed the Sniper EFI on my Mustang with help from a friend. The problem I'm running into is that once it's warmed up, the IAC...Last edited by Marcus; 05-08-2020, 04:48 PM. -
IAC goes high, when is Learning done?
Hello all. I have a relatively new install, just a few weeks with a non-daily driver street car. I've done the idle screw adjustment procedure, and have... -
Rich mixture at idle.
I installed my second Atomic, but the setup is not working properly.
I can't get the idle mixture fixed and the set idle AFR will not be reached.... -
Terminator X idle IAC Position?
I’ve installed a Terminator X on a LSx 5.3L. I went through the checklist on startup. I'm currently trying to get the IAC Position to 2% at idle... -
Another funky idle IAC thread.
Hello all. My issue is that after about 175°F temp, my idle starts to fluctuate a bit. I can deal with that, but out of nowhere (0% TPS) it shoots up... -
Erratic AFR and stalling when cold in gear.
Hi all. New to tuning with fuel injection. Reading everything I can and watching videos to learn. Just installed my new Sniper EFI on a Chevrolet HT 383...
