tr-3650 fluid

  1. B

    Royal Purple For Tr-3650

    I own a 2003 Mustang GT equipt with the Tr-3650 transmission. I recently purchased a new clutch(Exedy Mach 400) and TOB(ford racing), I took it to a shop and had my guy use Royal Purple synchromax. And honestly after installing it was nearly impossible NOT to grind going into second. I assumed...