It sounds like somebody was shoveling some fertilizer there - - - - -the 302/350 bore size is right (4 inches) but things like piston weight, wrist pin size, and a few other dimensions like compression height will be WAY off. It might be possible to adapt a 350 piston to a 302 six, but it's going to take a very skilled machinist to do it.
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!