4th Gen Engine and Drivetrain-2010 and Up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Transmission Experts?

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Old Sep 6, 2011 | 09:59 PM
  #1  
Grodyman's Avatar
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Transmission Experts?

The new 66RFE is coming out in the 2012 Hemi powered 2500 trucks. Is this a significant improvement over the 545RFE?

545: 66RFE:
1 3.0 1 3.23
2 1.67 2 1.84
3* 1.5 (not used) 3 1.41
4 1.00 4 1.00
5 .75 5 .816
6 .67 6 .625

The 66rfe shares gearing with the 68rfe. Tks.

Gman
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Old Sep 7, 2011 | 08:17 PM
  #2  
palomino's Avatar
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From: Central Cal
that will be a nice improvement for the hemi buyer...
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