Question about 2001 GMC Jimmy

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Trying to time 2001 gmc jimmy 4.3

I have a 4.3 litter and iam tyrying to set the timeing after hving the distribitor out for changing the manifold gasket
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please help

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Ground coil or remove plug wife away from number one spark plug. Place finger in fron of spark plug hole while some bumps the starter. When the air for the copression pushes finger off hole stop started . Align the timing marks,or insure that they are close. Place distribiator back into hole with the cap off pointing to where the wire for number one plug is going to go. bolt down dist. and replace cap.  Your timing wil be now close enough to start or if not rotate it slightly and try again.

Posted on Dec 14, 2008

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