Better towing performance

Asked by May 29, 2016 at 10:32 PM about the 2015 Chevrolet Silverado 1500 LT Crew Cab 4WD Z71

Question type: Car Customization

I recently purchased a 2015 1500 Z71 LT. It has the 5.3L with 3.42 gears, I got the truck because of the deal the dealership made me since it was a demo truck and only had 3400 miles on it. I pull a camper with a 7400 GVWR. I have added the firestone helper bags to the rear-end, a cold air intake, and a Bully Dog GT Platinum Gas tuner. Since I am towing a heavier camper, would it be beneficial for me to swap the 3.42 gears out with some 3.73 and add an aftermarket tranny cooler.

4 Answers

1,685

Yes however keep in mind that the rear end on that truck really wasn't designed to pull something of that weight, especially up hill

Is there something more I can do to the rear end to help?

1,685

You could mate the 10bolt Allison rearend with the 4.11s

14,115

YES IT.. " would it be beneficial for me to swap the 3.42 gears out with some 3.73 and add an aftermarket tranny cooler.:

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