i need to know if i can put a sb ford into my f-150 that currently has a 351m with a c-6, i have a sb in a 2 wheel drive thats a sweetheart of a runner and 2twice the power and less weight is my goal, but the 2 wheel is comlpete also will the bell housings between a c-4 and a c-6 interchange.... thanks ohhh yes i have many 70's ford parts fer sale or trade

 

As far as I know... almost all "M" blocks (351M/400) have the bigblock bellhousing so your 302 wont bolt up to your exsisting transmission. Whether or not you can swap bellhousings... im not sure.