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08-27-2007 08:59 AM #3
I'm running 28 total so I can use 91 octane gas. I do have vaccum advance also. Its adjustable and is set for 10 to 15 deg. of advance. I get 13.3 mpg if I behave. BBC 454+.030- 10.7:1 comp -Iron heads- comp 280H cam. 308 HP at wheels on 91 octaneIf it's not broke, fix it anyway.





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I bought the 76 in August , but haven't been able to work on it. When I get a chance I'll post some pictures.
Corvette Resurrection?