Thread: i need help with my 2000 grand prix gt

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  1. #1 i need help with my 2000 grand prix gt 
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    i have a bad knocking in my engine. anyone know what could be the problem? i have a 3800 series motor.
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  2. #2 Re: i need help with my 2000 grand prix gt 
    Donating Users Warbeaver's Avatar
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    could be a multitude of things. bad lifter, broken valve spring, unseated rocker, could be something else.

    maybe get a video of it
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  3. #3 Re: i need help with my 2000 grand prix gt 
    donated to get this wow TorqueAutoMotiv's Avatar
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    vid please

    98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels
    http://www.cardomain.com/ride/3338681
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  4. #4 Re: i need help with my 2000 grand prix gt 
    GTP Level Member mrlogic1234's Avatar
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    My engine was knocking, took it to the shop and it turns out that one of the spark plugs backed out and part of it broke off and ended up inside of my engine. That resulted in one of the cylinders having no compression... I ended up getting a engine from a junk yard with 80k on it for less than it would have costed for a rebuild.
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