Re: Big Block...What vacuum advance can should I purchase?
Sorry Dan, I mis-read your post.
I'm looking forward to hearing how it runs for you.
Years ago I had a fairly hot SBC 350 in a 69 Camaro. I wasn't using the VA, mainly because I just didn't get the concept, and I heard horror stories of too much timing.
A buddy of mine set the total at 36, which put my initial at 14. Hooked up the VA and that gave me an initial of 24 - it started and turned off no problem, which blew me away. We then set up the total all in at 2600 rpm, re-adjusted the carb and bingo! A whole different car, clean burning spark plugs and throttle response up the whazoo.
I still didn't completely get the concept of VA until I started to frequent this forum.
67 Chevelle SS:
original paint, M20, & 3:31 posi.
Unrestored, but dreaming of doing so
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