I've got an '82 318 I'm planning on trying the 400 hp build on, it's still running and in the '82 Ram wrapper. I did a compression test on it, and found the outter 4 cylinders (1,2,7,8) to be between 130 - 135, but the center 4 (3,4,5,6) down, 4 and 6 105 and 110, 3 and 5 both around 115. I find...