Thread: Timing Vortec
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Old 03-30-2017, 10:35 PM   #18
geezer#99
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Re: Timing Vortec

Quote:
Originally Posted by garyd1961 View Post
If that distributor is like my MSD you need to run the vacuum advance on manifold vacuum and use a vacuum advance limiter plate with that distributor. I haven't installed mine but if you hook to port vacuum above the butterfly plate it will have way too much advance.
I think we've discussed this before, but if your ported port is working as designed then you'll have no advance at idle.
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