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Old 03-22-2012, 03:24 PM
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Quote:
Originally Posted by snrusnak View Post
Also, IIRC, Transengineer told me that the new transmission (I thought it was called the 66rfe, not 65rfe...?) shifts identical to the 545rfe, it does not use all 6 speeds in normal upshifting. It was simply renamed he thinks for marketing purposes as a "6 speed".
The 66RFE is the new trans in the HD trucks

http://www.allpar.com/forums/index.p...ces-explained/

Quote:
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Posted August 11, 2011 at 07:37 pm
The 66RFE is a new six-speed automatic transmission. It’s used behind the 5.7-liter V8 on 2012 Ram 2500 pickup DJ models and 3500 cab and chassis DD models. Note that these are heavy duty applications.

Light duty applications use the 65RFE. Except for some software differences, the 65RFE is essentially the same as a 545RFE. In fact, you can consider any statement concerning the 545RFE to apply to the 65RFE as well.
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