I'm in the middle of my little budget 318 build and I've hit a snag. The 95 Magnum 318 short block I picked up has a small crack in one of the cylinders. I already bought a new Mahle ring set for the Magnum pistons. I have a 75 318 in immaculate condition needing nothing more than rings, bearings and resealed. My question is, can I use the Magnum pistons in the LA block for a little compression bump, or are they basically the same except for the metric size rings. I was going to use the K6900 cam and Magnum heads from my current 360 in the 318 LA. I don't have the spare dough to have the Magnum block bored and buy new pistons, so I was looking to do it on the cheap. Or should I stick with the 75 318 pistons?