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Author Topic:   Gas?
Dirt Forum Champ
Total posts: 516
posted August 15, 2005 05:55 AM  
Would you run 112 or 114 in a 13:1 motor? The calculator is reading 13.4:1 but I have a hard time beleiving i'm making that much compression with flat tops. 4.165 bore w/ 49cc darts -7cc for valve releifs. .051 head gasket. Does this sound right? Thanks

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