Wanting to know what the gear ratio of my differential is in my truck is and how i go about finding it out?
Its a 73 gmc k1500 and it has:
Chevy 350
3 speed Wt306 (SM330)
Np205 With dana 44 in the front and 12 bolt in the rear, And i am currently running 235/75/15 tires.
Help is appreciated!