Questions & Answers for: top dead center 1997 gmc

...Top Dead Center #1 cylinder only, but it is only used for dropping the distributor in to get the engine up and running. A scanner is needed to properly adjust the timing. Connect the scanner and look ...

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...yes it is true,,would go after pick up coil,,u have to pull the distributor out to change p\u coil,,so mark where the rotor is pointing to before u pull it,,or bring the timing to top dead

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...head off and lined up timing marks up,gas knocks under load. Computer check said throttle posision sensor needed replaced did that 4 DEGREES BEFORE TOP DEAD CENTER UNLESS SPESSIFIED ON TAG UNDER ...

top dead center. This "static" timing is all that matters and the computer will be able to control the timing as long as the ignition rotor is in that position when the engine is at top dead center. 1

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