I am in between in whether to take my old 302 block out and take it to the machine shop to get it stroked bore, or should I buy a short block that is stroked with everything in place and balanced already( pistons, crank, etc). What is the more cost effective way going about this? What stroke should I go with 331/347? Also I am thinking to put in a turbo or supercharger in the future, will that be too much HP for the original block to handle? thanks!