Thread: Crate motor upgrade?
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06-04-2008 10:30 AM #7
Do some research on GM Performance Crate engines and I'll bet you can match one fairly closely to what you are going to do. The usually tell you what octane fuel to run with. Are your heads steel or aluminum? With alum I think 89 octane will be fine, perhaps also with steel.
KitzJon Kitzmiller, MSME, PhD EE, 32 Ford Hiboy Roadster, Cornhusker frame, Heidts IFS/IRS, 3.50 Posi, Lone Star body, Lone Star/Kitz internal frame, ZZ502/550, TH400





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This is about the fifth time I’ve tried to reply to this thread. It looks like it’s actually working at the moment.
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