Question about 1991 Pontiac Firebird

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All that was done (entry to left), well under

All that was done (entry to left) well under power the Formula is no good. Timing was set per lable under hood and looked good on the road no power had to set timing approx 20 degrees prior to tdc to get power now I suspect gas will wash doen cylinders and cause other problems. Timing Chain off a bit? Possible cam wore?

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Correct on both your guesses. check your firing order making sure that #1 is in the correct place on the cap

Posted on May 09, 2010

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How you set the timing


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How to set timing


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    Heater fan won't work in 2000 Chevrolet Blazer. Dont know which fuse is for the heater.


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    Timing specs


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    All that was done (entry to left), well under power, the Formula is no good. Timing was set per lable under hood and looked good, on the road no power, had to set timing approx 20 degrees prior to TDC to...


    the sound of what you explained is more that the timing is 180 degrees out... that would explain the no power on the road.... it would also allow the timing marks to line up.... hope this helps

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    Where can i get the specs for ignition timing on a 1989 GMC K1500 Pickup


    Note: The Timing Connector breaks out of the engine wiring harness conduit adjacent to the distributer. It is a single wire sealed connector that has a tan with black stripe lead.
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    • Stop the engine and connect SET TIMING connector.
    • Clear ECM trouble code by disconnecting ECM power source.
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