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Old 07-21-2007, 12:51 PM   #1
pyro883
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Timing

This is probably a stupid question but then again I have been feeling pretty dumb lately. I had the truck running and just needed to adjust the idle down just a hair, but it was running a little rough. So i went to adjust the timing by rotating the distributor a bit and now its all jacked. So how do you complete re-do the timing from the very beginning. From scratch. If there is a link or anything because I need this done for me Barney style. Cause I am
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Old 07-21-2007, 01:10 PM   #2
dave2953
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Re: Timing

Do you have a timing light?
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Old 07-21-2007, 01:35 PM   #3
pyro883
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Re: Timing

I do have a timing light.
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Old 07-21-2007, 02:57 PM   #4
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Re: Timing

Loosen the hold down bolt for the dizzy. Hook up your timing light and aim it at the harmonic balancer. You should see the mark on the balancer light up each time it goes around. The mark will line up with a corresponding line on the timing tab. You can adjust the dizzy clockwise/counter-clockwise to get your flashing mark to line up with the correct number of degrees on the tab. When you get it set correctly be sure and tighten your hold-down for the dizzy.
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Old 07-21-2007, 05:15 PM   #5
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Re: Timing

Do not forget for those running HEI to unhook the vac advance when trying to set base timing...Randy
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Old 07-21-2007, 07:18 PM   #6
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Re: Timing

Good call I always forget that part.
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Old 07-22-2007, 09:30 AM   #7
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Re: Timing

...and take a minute out to verify TDC.

http://67-72chevytrucks.com/vboard/s...d.php?t=248959
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