WRXracer New Member Feb 28, 2003 825 0 0 Jun 21, 2004 #1 Jun 21, 2004 #1 Ok I have a 1966 mustang with 373 gears tri y headers and dual exhuast going on.. it has performer heads RPM intake and a 4 bbl.. what should this do in the qaurter.. its also a auto..
Ok I have a 1966 mustang with 373 gears tri y headers and dual exhuast going on.. it has performer heads RPM intake and a 4 bbl.. what should this do in the qaurter.. its also a auto..