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Forum: Pontiac - Street 08-09-2022, 06:32 AM
Replies: 12
Views: 1,031
Posted By 25stevem
This is the kind of timing profile that was...

This is the kind of timing profile that was commonly used in the mid 60s on 4 bbl motors of 350 hp or more and stated to need to run on the high octane fuel of back then.

I would start off with 3...
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