My Silv-O-Lite piston catalog says the V6 piston is a LOT shorter- - - -1.599 vs 1.843. The wrist pin is too big, also. The best choice is the 90.5 MM Diesel piston, which can be machined to zero deck height.
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
Love your enemies and drive 'em nuts!