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Thread: Sniper & A/C

  1. #1
    Join Date
    Jan 2018
    Location
    Holmen, WI
    Posts
    12

    Default Sniper & A/C

    I have not purchased SNIPER EFI yet, however, I'm well into reading the entire installation manual. I'm wondering how SNIPER works with A/C. Can it increase idle speed when A/C turns on? I believe I read of its ability to kill the A/C at WOT. I'm more interested in how it behaves with A/C in normal driving conditions. Would like to hear from those running SNIPER & A/C. Thanks! Shoebox

  2. #2
    Join Date
    Nov 2014
    Location
    Ont. Canada
    Posts
    834

    Default

    Download the Sniper EFI software and then you can see what it does.

  3. #3
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    18,677

    Default

    See the A/C IAC Kick function. If it's like the Terminator, HP & Dominator EFI, it's only a momentary increase in IAC.

    Are you looking for a momentary increase in IAC or a high idle function? The A/C "IAC Kick" function only produces a momentary increase in IAC, so the engine RPM doesn't dip down when the A/C is turned on (or in your case, electric fans). It works fine, but it does not increase & hold the idle RPM like a high idle function. Actually, the IAC Kick function is usually not necessary. It's typically a tuning issue with the Base Fuel Table. If you need a high idle function, it can be programmed in the EFI software Advanced ICF (1D Table, "Target Idle Speed Offset" Table Type, Switched Enable Activation) to use as a high idle switch.
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

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