Originally posted by gmc248:
"Rotate the tire one full revolution for posis and lockers and TWO FULL REVOLUTIONS for open diffs. Carefully count the number of full
revolutions the driveshaft makes. This is your gear ratio. ----- Turning the tire for twice the
number of full revolutions and dividing the drive shaft revolutions by two will give you a more accurate reading."
(quoted from West Coast Differentials)
Are you sure about the 4.11's? You had one tire on the ground? (if you have an open diff.)
