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Old 08-14-2009, 09:19 AM
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tblake tblake is offline
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Re: 94 Grand Prix SE 3.1 V6 127k backfires barely runs

Thanks for the clarification Rich.

If he has a motor with the timing chain off, what would he expect as a reading after 6 huffs of air? Maybe 90-100 max?

I know I've worked on OHC motors that have skipped time on one cameshaft. One van inparticular, it still ran, but stumbled at initial accelleration. Once you got the RPM's up it was fine. Bring it into the shop, on the back cam find 160, 155, 160, and on the front, 140, 140, 130..... I knew right away what was up.
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