05-26-2008, 01:40 PM
josephitguy Wrote:Yes there is a 400M it says whether it is a 351 or 400 on the original valve cover. The rods and the crank are different giving larger displacement for the 400 with shorter rods and longer stroke crank.
The heads are just like the Cleveland (Small Block).
Would it be possible to put a 400M, crank, rods and pistons in a 351M?
If so that would make a great rebuild. The longer stroke would give you real good low end toque, not to mention the bigger CID.