Why 4.1 axle?
I tow an 8000 pound trailer with a GMC 2500 with 6.0l engine, 4 speed transmission, and 4.1 axle ratio. I rarely need 3rd gear on the highway; only on steep hills. For my next truck, why not get si...
Forum Discussion
Lantley wrote:
If your talking 4 speed transmissions the gear ratio can be critical and make a significant difference but with the newer multi speed 8-10 gear trannies the ratio is less of a factor
Winner winner chicken dinner! Towing 8K with a 6.0 and a 4L80E you want 4.10s for sure. The 3.73 would do fine on gentle hills but if you find yourself stopped on time2rolls aforementioned 26% grade you'll be sweating bullets since
the 4L80E doesn't exactly have a great 1st gear ratio for launching on hills.
