3.43 vs 3.73 rear end gear
40

Asked by maint Sep 05, 2016 at 12:04 PM about the 2000 Chevrolet Silverado 1500 LS Extended Cab RWD

Question type: General

'm wanting to change gears from 3.43 to 3.73 because when towing these
light loads( 6x12 open trailer or 18ft bass boat) my truck has a hard time
maintaining hwy speeds, trans is constantly changing even with towing
button pushed! Is this the best and easiest way to solve this problem?
I have a small V-8 (4.8)

2 Answers
86,825

Mark answered 8 years ago

What highway speeds are you talking about exactly? And , do you mean going uphill? How is it working from start-up to tow? How much does your boat and trailer weigh? I assume that you are not trying to pull more than 80 percent of the maximum towing capacity on the truck, are you??

Mark helpful
86,825

Mark answered 8 years ago

Just one more thought, have you considered getting your transmission fluid changed recently, a new service would not be a bad idea..

Mark helpful

Your Answer:

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