72DMag
Well-Known Member
Is there anyway to get a stock stroke 3.375" mopar 400 big block into the 12:1 to 13:1 compression ratio using 75 cc heads? I looked into the KB240 pistons but even with a 75 cc cylinder head ratio will only be at 10:1 compression?
Maybe there is a combo available using the longer 6.965 hemi rods?
Maybe there is a combo available using the longer 6.965 hemi rods?