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Adjusting Timing - 1990 302

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Old 12-05-2002, 02:44 PM
slave2dafords slave2dafords is offline
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Adjusting Timing - 1990 302

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Old 12-09-2002, 11:23 PM
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laka laka is offline
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Adjusting Timing - 1990 302

I have a 1990 with a 302 and I believe it's pinging under full throttle. I've heard to advance the timing a bit, but I'm not sure how to do that. I know how to loosen the distributor and move it around, but do I need a light to adjust it "5 degrees". Also which way retards, and which way advances? I just want to play around with it a bit to try to get rid of the pinging.

Thanks a bunch
Jason
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Old 12-10-2002, 12:00 AM
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mrwizard mrwizard is offline
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Adjusting Timing - 1990 302

Yes, you need a timing light to verify the changes you are making. Advancing the timing will increase the chances of your engine pinging. I don't remember off hand which direction does what.
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Old 12-10-2002, 12:24 AM
PigFarmer PigFarmer is offline
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Adjusting Timing - 1990 302

laka,

The distributor on your engine turns counter-clockwise. If you want to retard the timeing then turn the distributor case counter-clockwise. Turning the case clockwise will advance and probably make the pinging worse. You also might want to check to see if your EGR valve is carboned up. This could cause the pinging also. It's a pretty easy check and clean type item.

Randy
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Old 12-10-2002, 12:14 PM
Redneckerson Redneckerson is offline
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Adjusting Timing - 1990 302

Don't forget to un-plug the spout connector before setting the initial timing! Regards.
RSH
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