^ i cant build them with out polishing the crank do to i dont use stock bearings only clevite/Acl so i have to tell them i need the block out the car plus i like to have them cleaned to look nice plus a good hone to make sure nice and round and smooth..if i was you i would stay around 10:8/11:2 compression I.e low domed or else your in the 93 gas range only and your 100miles a day will hate your wallet..cause im sure by march gas will be back up to 3 bucks again