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· Registered
4 Posts
Discussion Starter · #1 ·
2003 Durango 4.7 4x4 SLT
9.25 rear
265/75 tires

Debating whether to upgrade rear end to 3.55 lsd (or 4.56?). Not sure if I want to go any bigger on tires, all I know is I would like some extra low end get-up for both towing a deck boat and just better acceleration/fun factor.

Jump to 4.10s worth the $$?
Any point to 4.56 with 265s, and would it be too much?

Good performance gain?

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· C'mon Dodge - NEW DAKOTA
2003 Dakota Club Cab Sport 4.7L
670 Posts
And be aware that your gas mileage will dramatically suffer.

· Home School Valedictorian
3,498 Posts
find an online gearing calculator, enter all of the pertinent information and see where you land RPM wise at any given speed.

· Premium Member
779 Posts
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