Thread: Crate motor upgrade?
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06-03-2008 02:30 PM #6
CHR Member
- Join Date
- Aug 2007
- Location
- Sequim
- Car Year, Make, Model: 34 Ford pickup, 65 Ranchero,35 ford
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- 39
Thanks there in a web site for cal. www.csgnetwork.com and look for automotive. If I knew the piston dish or dome I could be rite on th P/N 12514101.
Al I did with web site is to play with piston untill the ansewer match 8.5:1 with 76cc and them changed to 67cc. 8.53:1=9.31
Depending on what head gasket is in there now if .028 I will go to .038. This drops it to just under 9.0:1. I think that will let me run 89 octane.
OK now I need to find how Compresion ratio's = what Octane you need?Last edited by Langan; 06-03-2008 at 02:35 PM.
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