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Old 12-29-2012, 05:48 PM
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the persuader the persuader is offline
Dodge Ram Forum Senior Member
Join Date: Oct 2012
Location: College Station, TX
Age: 23
Posts: 800
Gender: Male
Vehicle: 2001 Cummins 4x4
Trim Level: SLT Laramie
Color: Red
Engine: 2001-2003 359ci (5.9L HO) Cummins ISB 24-Valve Diesel I6 245hp 505lb/ft (6-Speed Manual)
Rep Power: 3
the persuader is a jewel in the roughthe persuader is a jewel in the roughthe persuader is a jewel in the roughthe persuader is a jewel in the rough

Originally Posted by Uno1982 View Post
So i climbed under my truck and guess what!!! My quad cab 2005 1500 3.7 v6 ram has a freaking 3.21 rear end with stock 21 inch rims..... WTF???!!! What was dodge thinkin even letting this off the lot? They should have known this much truck with rims that large would make this truck try to buck out of 6th gear with the smaller engine. I've read where tons of people are swapping over to the 3.92 because of this very issue. I may be looking around for a rear end shop very soon.
I'll keep you posted.
Part of your issue, it that is a big, heavy truck for a 3.7. 3.21's aren't helping anything, but don't expect V8 power with a gear swap. I'm not sure what vehicle you came from, but your expectations may be a little much.
2001 2500 QCLB Cummins NV5600 4x4 - Fass Titanium 150 - 4" Turbo back w/ 4" downpipe - front and rear replacements - American Racing 16x10 - 33" BFG A/T
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