I have a 2.7 with 3.5 ratios and 31" tires and I know what you are going through. I can't use 5th unless there is a good tail wind. I had a Detroit locker put in the rear and a TrueTrac put in the front. Really makes a difference when you have true 4 wheel drive. I think your ratios would be...
I would jack up the rear end. Put the transmission in neutral. Mark the drive shaft and a rear tire with white marker or something. You then can rotate the driveshaft one revolution and have some else count how many times the tire went around or, it is easier to rotate a tire and count how many...
My 95 Tacoma has front end damage. Damaged below the front bumper and the airbag went off. The radiator has dripped a little also. I bent the steering wheel and the airbag deployed. No auto repair place will repair it because of the air bag. They told me that they can't get the parts to repair...