Don't the 228s have domed pistons and an oddball combustion chamber shape? There is a 92MM Japanese Diesel piston than can be used to convert a 228 to a 236 cubic inch displacement with a little custom machine work on the piston crown.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
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