Is it worth regearing my tow rig?
I recently bought a new travel trailer and a used truck to use as the tow vehicle. When I bought the truck I was told it had a 3.73 rear diff... anyhow after some investigation it has the 3.42. That...
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If everything works as is I wouldn't touch it. There is nothing wrong with towing in 3rd and there is nothing wrong with 70-80C trans temps. Now if you go with a bigger trailer that would be a different story.
