Originally posted by viking
350 + .030 = 355
350 + .060 = 360
350 + 400 crank = 383
350 + .030 + 400 crank = 388
Hey viking, seeing as we are getting technical,....

350 + .030 = 355
350 + .060 = 360
350 + 3.75 stroke (400 crank) = 377
350 + .030 + 400 crank = 383
350 + .060 + 3.75 stroke crank = 388

So,... to answer your question chevyspazz388, a 350 .060 over will make a 360 cu inch motor.