Hey does anyone know what is the differance from the 89 n/a cam to the 87 tc cam also is the ranger roller cam the same as the 91+ mustang roller cam?
the 89 NA and 87 TC cam should be the same grind, or so close that you couldn't measure a difference. The 91-93 mustang cam is indeed a roller cam, and is the same as the commonly refered to ranger roller.