youre right quik the iron 4.8/5.3 blocks weigh in 110 lbs heavier than aluminum 5.3 blocks![]()
youre right quik the iron 4.8/5.3 blocks weigh in 110 lbs heavier than aluminum 5.3 blocks![]()
how much compression do you plan to run on this 5.3 setup, that's shooting for 400RWHP?