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Old 08-13-2020, 08:58 PM   #4
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Join Date: May 2015
Location: Alabama
Posts: 11,865
Re: Rear differential help please

What size tires are you running?
The 4.8 is no powerhouse, but you may need a good tune...did you run it on a chassis dyno after your swap?
The cost to swap gears isnt gonna be cheap, but 373s should be fine with a 4l60e..unless you have really tall tires
Mongo...aka Greg

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