bbc 476
thanx for the info one more thing to stroke it put a different stroked crank in or can i use car pistons and 6.375 rods we have most of the internal parts this is a low money deal its my 17 yr olds mud truck eng he built a 454 last yr blew it up piston rod broke in half took the crank & block you can see it at cardomain.com rotax_583 thanx again any info is apprecated