is their a bore difference between a 1997 mustang npi block and a 1999 crown vic npi block?
GT40Mustang Well-Known Member Jan 26, 2010 #1 Jan 26, 2010 #1 is their a bore difference between a 1997 mustang npi block and a 1999 crown vic npi block?
9 97NYstanGT NYM Sig Master Jan 28, 2010 #3 Jan 28, 2010 #3 not 100% sure, but as far as i know they're all the same blocks
1990_LX Clubhouse Moderator Jan 28, 2010 #4 Jan 28, 2010 #4 Don't quote me on this, but wasn't nonpi/pi just a matter of intake and head differences? Otherwise the same block?
Don't quote me on this, but wasn't nonpi/pi just a matter of intake and head differences? Otherwise the same block?
9 97NYstanGT NYM Sig Master Jan 28, 2010 #5 Jan 28, 2010 #5 that's correct, cams, heads and intake manifold
