[69Villa]

well telling u on wat i noe some engines are made of alluminum n others from iron dnt noe wich ones are wich yet also from rebuilding them from my experience on having help rebuilding a old school 350 to a some what newer 4.3l i noe some places in the engine have to be torque dialed in before u really torque them down dats pretty much a lil bit of info i noe of right now