Thread: 400hp
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  #11  
Old 07-15-2004, 03:49 PM
Hattmann68 Hattmann68 is offline
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Join Date: Feb 2004
Location: Casper,WY
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The 6h Heads are 124cc. About 7.4-7.6 comp. ratio on a 455. Valve length are 4.80,2.11 intake and 1.66 exhaust valves. Good for a blower motor.

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