Original GMC rods- - - -I just put permanently installed split bushings in the big ends, and use a smaller diameter rod bearing. A Federal-Mogul 9320 CP rod bearing for a Continental engine allows me to offset grind the crank and get 3/8" extra stroke.
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!