1996 GMC Jimmy

Tiny
JOEY76
  • MEMBER
  • 1996 GMC JIMMY
1996 GMC Jimmy

how to set timing on 4.3 vortec
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Friday, April 16th, 2010 AT 4:42 PM

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Tiny
PEAR69
  • MECHANIC
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The timing cannot be set without the use of a scan tool capable of doing this. This usually means a trip to a dealer. But if you are asking how to get the engine timing close because you removed the distributer - then - bring number 1 cylinder up to top dead center on the compression stroke - turn the distributers' rotor so the rotor points to number 1 cylinder contact - and drop the distributer in.
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Friday, April 16th, 2010 AT 8:42 PM

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