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Old 03-08-2013, 06:34 PM
CdnoilRAM's Avatar
CdnoilRAM CdnoilRAM is offline
I push the skinny pedal


 
Join Date: Jul 2009
Location: Calgary, AB, CA
Age: 30
Posts: 17,183
Gender: Male
Vehicle: 2009 Blown 349 Hemi
Trim Level: Sport - Modified
Color: Brilliant Black/Snake Skin Green
Engine: 2009-2012 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 20
Rep:3272
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The 45, 545 and 65rfe transmission are all the same, they just have different computer mapping that changes the shift patterns and adds additional gears. RFE stands for Rear wheel drive Full Electronic controls.

It's isn't so much the 1/2 shift, as much as the 2nd prime clutch set. There's a lot of room between the clutches and they begin to slip, which burns out the clutch pack. Unfortunately, this begins to happen around the 400hp mark. You need to upgrade the tranny and most important, get a proper program that is designed specifically for the tranny. You may be able to get away with just upgrading the valvebody, you just have to avoid 3rd gear WOT downshifts.
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