Originally Posted By Belvedere1
I also didn't reduce the mechanical advance to it was still advancing higher than it should have with 4 more deg of initial. 91 is the best pump gas you can get at 99.99% of stations.

95 is about 5.40/gal and 100 is 7.40/gal


Generally what I've seen is as much initial as needed(or locked out)then limit the total to where it's happy octane wise...........

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