Can I regear to 3.55?

Libertard2k6

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I have an 06 Liberty 65th anniversary edition, my question is can I regear to 3.55 and would it improve mpg by much? I don’t do a lot of towing and mainly just use it for daily driving in rural Indiana
 

lfhoward

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I would advise against that. Running a larger tire size would essentially accomplish the same goal and I can say from experience (running a 30.5” tire) that gas mileage has NOT improved. The engine struggles in 4th gear on hills that would normally be no problem with stock gearing.
 

Libertard2k6

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I would advise against that. Running a larger tire size would essentially accomplish the same goal and I can say from experience (running a 30.5” tire) that gas mileage has NOT improved. The engine struggles in 4th gear on hills that would normally be no problem with stock gearing.
Large tire would improve my fuel economy?
 
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