TV gearing.
I tow my Jayco hybrid with a 2012 Chevy Silverado with the 4.8 V8 and 3.23 gears. It does just fine in Florida where it's flat. The owners manual says I can gain 2000 lbs. towing capacity changing to ...
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The gearing will make towing in the mountains and accelerating much better. I can't say wihthe GM, but with my Excursion it made a huge difference in towing performance because the engine isn't working as hard, RPM's will go up slightly but not a lot unless you go up to a 4.10. Your towing mileage and around town mileage may improve also.
Then again if your trailer is light you shouldn't have any issues in the mountains. I would wait and see how it does out of Florida before considering changing the gearing (front also if it's a 4X4!)
Then again if your trailer is light you shouldn't have any issues in the mountains. I would wait and see how it does out of Florida before considering changing the gearing (front also if it's a 4X4!)
