Quote:
Originally Posted by mtnguy
A higher numeric final gear is a lower gear ratio. A 3.73 final drive is a lower ratio than a 3.55. With a 3.73 final gear ratio, the drive shaft turns 3.73 times as the rear tires make 1 rotation.
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mtnguy is exactly correct.
I would think
long and hard before I would change the ring & pinion on any vehicle. It must be done by a technician that knows
exactly how to set them up and get the lap just right. If it isn't set-up correctly, a rear-end can go out in just a few thousand miles.
You won't have any issues with 3.73s in that set-up, towing a TM (of any size). However, if you ever decide to go with a full size travel trailer or 5th wheel with a weight over 6,000#, you may want to consider a lower gear ratio for mountain towing.