i have a 67 mustang with a 351 w heres what is done to it..
twisted wedge heads
roller rockers
extreme energy 274h cam
holley 750
weiand stealth
headers with 2.5" pipe and flowmaster 40s
8.8 rearend with 3.73's
c-4 with shiftkit
my problem is that i changed my 8" air filter to a 14"...