Heads are stock 75.7cc #13s, I know cc will change after machining, head gaskets, etc.
I don't mind buying 93 octane, I don't drive it that much, but I did hear they are doing away with 93 and going to 92.
So I would shoot for midgrade 89 to premium 92, with no boosts, and not try to run on 87 because of F Rock's comment.
Cliff, I am scared of a 10 to 1 compression, how can you run a 10 to 1 compression on 87 octane? Is the answer tuning? Cam? Please explain . . . . .
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REDGOAT 70
1970 GTO 400/350 TH400
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