Forum: Chevy-Big Block
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Forum specifically for Chevy Big Block questions and answers.
There are currently 18 users browsing this forum. (0 members & 18 guests)
Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
MSD 8360 distributor vacuum advance