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  • #16
    well i broke out the meter and ohm'ed them out.

    cold it was 5.6-5.8k and i checked them when i got back prob a 30 min ride and the were at 6-6.1.

    i also checked the ones i took off that were giving me WOT/under load problems and they gave me the same cold readings. out of the 3 sets i tested i got pretty much the same cold numbers.

    checked the MSD ones i got and they were 7-7.15k cold. all the coils came up with about the same numbers.

    im gonna check the icm's. i would like to know whats defective with the virtually new parts i had.
    sigpic
    99 Grand Am GT
    3400/3500 -Solid trans mount--TCE 65mm T-body---85mm LS2 maf---1 1/4' TCE intake spacers with 3400 upper--SLP Catback with flowmaster 80--TOG headers
    Modded 3400 lifters with LT1 springs---Comp Cams 26986 Springs
    1357 cam 227 233 .050 dur
    515 515 lift 112 lsa
    15.232@88.85mph on stock 3400---New time to come


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    • #17
      I got 5.8 to 6 on mine. Car is pulling without hesitation now, but still have the stumble in the idle. I am getting convinced that the IAC is out of wack with the other sensor it works with. I cannot remember what it references for the life of me, but I do know they can get out of sync, and cause this problem. I had this happen a couple of years ago and having the IAC reset fixed it. Im going to spend the dam 30 bucks and have it done. Ill post up the results.

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