Posted by Spence on Sunday, September 16, 2007 at 22:02:02 :
In Reply to: Eric, are they good engines posted by Jeff in North Texas on Sunday, September 16, 2007 at 21:20:08 :
The compression ratios were increased in later engines. The valves and seats were improved. Minor changes in piston design. Maybe some other minor changes.
Spence
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