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

One more thing about 5.2 and 5.9 Mag's....
All Magnum block oil feeds are:
1/2 inch to the filter and to the right lifter gallery feed, and 5/16" main bearing feed, and have 6 holes in the filter plate..

Free HP because of less restriction out of the oil pump.....