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Old 03-09-2013, 03:14 PM
fastNugly @ BP's Avatar
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Bully's Performance

 
Join Date: Mar 2012
Location: Toronto
Posts: 18,002
Gender: Male
Vehicle: '15 Ram 1500 Longhorn EcoD
Trim Level: CC, 6'4", 3.92, LSD
Color: Granite Crystal
Engine: 2014-20?? 182.3ci (3.0L) L630DOHC V6 240hp 420lb/ft Eco-Diesel
Rep Power: 15
Rep:1787
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Quote:
Originally Posted by stinkyfatpig View Post
I got 37's on my new sport and its got the 3.92 gear package but she still hates the 7's. ive never re geared a truck before. What should I swap them too.
Quote:
Originally Posted by Ram725 View Post
4.56 would be a sufficient gear ratio!

Ran 4.56 on 37s on my sierra and loved it.
What he said.....^^^

4.56 at the minimum and at this point, that is the highest (numerically) we can go.
If there was 4.88 option, that is the route I would have went with my '12

But if your front diff axle is the same as the '12, as I dont see if being different, you will require another front diff axle from a '10/'11 as the gear is welded in.
THis is assuming you have a 4wd truck.
The rear will require machining to get the gear in place.
Not an easy task, but definitely worth it.

I lasted on my 37's and 3.55 (you are far better off than I was) 2 weeks before swapping the gears.
This is my first truck and was new to the whole gear changes as well.
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