Originally Posted by
ossie cossie
So am i right in assuming you can fit the 3.9 ratio gears in a standard cosworth front diff? or have you just put new gears in a 3.9 ratio diff? I ask as i have 2 spare diffs one std cosworth ratio and one 3.8ratio from a 4x4 sierra but not cosworth. If the gears are available i may buy a spare set just incase.
hi mate the diff casings are the same from wot I no and I run a 3.9 front diff from a twin cam . As it's the only front gear set that matches the 3.9 supra diff in the rear the diff has been done by GEARS on an exchange bace as my diff smashed it self to bits