3.43 vs 3.73 rear end gear

10

Asked by Sep 05, 2016 at 12:04 PM about the 2000 Chevrolet Silverado 1500 LS Ext Cab Short Bed 2WD

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

21,795

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??

21,795

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

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