Magnum vs LA bash!

The magnum engine has a few advantages over the LA.. in stock form at least. The stock roller cam, means the flat cam problem is greatly reduced, they have more compression, less friction from the cam/lifters, 1.6 ratio rockers, as well as thinner lower drag rings, and they seem to be "sealed" better, as in the oil pan and valve cover areas. I put one ( 98 318 magnum) in my daily driver D100, and it has more power than the mid 70s la 318 I removed. I did use the dual plane carb intake and a thermoquad as well. As a matter af fact, I feel that pulls almost as hard as a worn out 71 340 that was in there for a breif amount of time. As far as building them all out, I dont know.