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  1. #1
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    Default 95 lt1 breaking up at WOT

    well today, i was playing around out on the streets, and i have been having this problem with when i reach around 5000 -5500 rpms, she breaks up dumping black smoke from the exhaust. it doesnt do it when the engine is cold or sitts for about 15 min. so i reset the tps yesterday and no change changed the opti, and o2s are brand new. plugs look fine wries are new also, fuel psi is reading around 40-43 at idle.
    so im lost on this. any one know what this could be.
    thanks

  2. #2
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    Have had a weak MSD coil do this once. Replaced it with a new stocker and no more problems.
    -David-
    1985 Camaro Z28 (Under Construction)
    1994 Firebird Formula - LT1/4L60e (The Daily)

  3. #3
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    Paul Edwards
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    Default

    your also blowing out blue very bright blue smoke when u were reving the shit outta it in the driveway when leaving forgot to tell you.

    1995 Formula 383/t56 gone
    1993 Camaro Z28, forged, TFS heads, solid roller, prosystems carbed, t56 swapped spec 3+
    "Nitrous is like Tara Reid with an STD. You want to hit it, but your afraid of the consequences"

  4. #4
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    Big Papi
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    Why are you revving the shit outta it lol, are you hitting the rev limiter when you are shifting?

  5. #5
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    Quote Originally Posted by chris View Post
    Why are you revving the shit outta it lol, are you hitting the rev limiter when you are shifting?
    Damn kids these days

  6. #6
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    Quote Originally Posted by 95formula383lt1 View Post
    your also blowing out blue very bright blue smoke when u were reving the shit outta it in the driveway when leaving forgot to tell you.
    yea i know its been doing that since i put that TB on it.. i found today that its sucking the oil in the the TB BADLY!

  7. #7
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    Quote Originally Posted by chris View Post
    Why are you revving the shit outta it lol, are you hitting the rev limiter when you are shifting?
    NO Im not hitting the limiter. my limiter is set at 6499 rpms. not any were near it.

  8. #8
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    Quote Originally Posted by muddyjimmy View Post
    Have had a weak MSD coil do this once. Replaced it with a new stocker and no more problems.
    i have a stocker one laying around. lol. mine is a MSD.. too.. lol..

  9. #9
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    Stock>Msd

  10. #10

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    What TB are you running.. I have seen some aftermarket cause issues

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