4.7L with 4.10's and LSD
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07-07-2011, 11:19 PM
Dodge Ram Forum Senior Member
Join Date: Apr 2010
Location: Robles Junction/Three Points, AZ
Vehicle: 2004 Dodge Ram
Trim Level: SLT
Color: Satin Orange
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
Yep which is why i advised not to go 80 when going to 4.56's. Just get up to speed and put it on cruise around 2k rpm and enjoy the drive.
Originally Posted by
80mph with 4.56's would put you at 2527rpm, that will probably hurt mpg.
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