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Thread: turbo lt1 tuning advice needed

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  1. #1
    Carb and Points!
    Join Date
    Aug 2013
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    springfield, MO
    Age
    32
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    O sorry thought I was on my other forum so its .040 over srp forged dished pistons -40 cc eagle h beam rods forged ported and polished heads and intake 53 cc chamber heads head gasket is a cometics turbo is a t4 .68 a/r hot side 42lb green top injectors it is intercooled and small can .512 lift with 114 + duration first trip to dyno had a bad coil but made consistent 11.5 AFR so its running a very safe tune right now but need help with the fine tune I am still running maf tune till I get a 2 bar map sensor for speed density and I'm running stock ecm tuning with jet dynamic spectrum tuner
    1996 Camaro ss 357 lt1 six speed boosted

  2. #2
    LT1 specialist steveo's Avatar
    Join Date
    Aug 2013
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    4,055
    ah, a 96 ecm. out of my territory for sure

    but if you're running the stock map sensor, that means your timing is pegged into the last column any time you're in boost. until you get that resolved, there's no point going much further, is there?

    also the obd-ii in maf still need VE to work properly for transitional fueling, doesn't it? this is just going based on rumors, never done it.

  3. #3
    Carb and Points!
    Join Date
    Aug 2013
    Location
    springfield, MO
    Age
    32
    Posts
    9
    true but I have my 100kpa column set as if its in boost so it lags some until in boost but atleast i dont have to worry about predetination but im just trying to get all of my constants lined out before I get to the point where I can fine tune in boost levels injector offsets is just one of the few things I need solid info on and if any one has every sucessfully tuned a boosted app with maf
    1996 Camaro ss 357 lt1 six speed boosted

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