Thread: Timing Vortec
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Old 03-26-2017, 07:25 PM   #14
1966chevyc20
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Join Date: Jan 2017
Location: North Dakota
Posts: 37
Quote:
Originally Posted by geezer#99 View Post
Maybe you need to time it by 'ear'.
Advance it until it idles nicely and then test drive it. If it doesn't ping then try a little more until it does then back it off a touch. Then put your light on it and see what it reads. Leave the vac advance plugged for this test.
How did you prove your timing tab/balancer were accurate?
What did you use for a piston stop?
I used a small metal rod in the sparkplug hole and felt it as I turned it over by hand. I figured the balancer and timing cover should be accurate as they both came stock on the engine when it came in the crate.
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