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My 302 EFI made about 380 hp at the flywheel. I think the best was 308 rwhp.
You need 60 or 64 cc heads. If you boost a 10:1 motor, your compression will be in the 14 to 1 ratio range.
if you bore a 302 to .030" over you have 306. Boring a motor will increase the compression.
You need to start with a 9:1 setup and when you add the blower you will have a motor that you can run on 91 or 93 octane on the street.
I would talk to Keith Craft about the heads.
Wayne Presley could tell you about the supercharger and all the parts you need to make it work.
Dwight
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''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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