Today, dollar for dollar, is the 318 faster than the 340 ???

Word of warning, Don't use the Mag oil filter plate on a LA or the other way around. The IRON boss on the Mag Block is taller and the LA plate will not seal around the outter gasket. Same on the Mag plate on the LA block, it will not seal in the center.

EDIT, I may have these reversed. I can not measure right now.