Originally Posted by fast68plymouth
I’ve never really looked into it before....... but it appears as though the 340 seal surface might actually be a larger than the 360 seal surface.

If that’s the case, then the seal surface on the 340 crank could just be turned down to the 360 size.


I never looked into it either but yes the crank area could be cut down to fit(I believe).. all my
engines have been 340s and I never looked into the 360s(except one B and one RB engines)
wave