6.7L Performance Discussion of 6.7 Liter Dodge Cummins Diesels Related To Performance And Longevity

Doing 68rfe to 47re swap have few questions

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Old 07-11-2014, 06:49 AM
JackedUp's Avatar
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Default Doing 68rfe to 47re swap have few questions

Everything I have read says can use same cross member but need new transmission mount. I went and got a mount for a 2002 5.9 with 47re got home and that is not it. Dodge is 40 miles from my house I have no idea what exactly I need. Someone else said need mount for 2007 with 5.9. When I look that up online the rubber mount looks just like the one I got. There is a plate that bolts to the rubber mount and then to the transmission is this what I need. Any help on exactly what I need to order and for what year or a part number would be great.

Question #2 Zach at starlite diesel is making me the manual transmission tune and a performance tune for my truck I bought the EFI live V2 stepping up from my Smarty. He said to make sure I get a speed input from the transmission to the ECM and I quote "the ecm uses the speed input from the transmission to calculate a "load" on the motor. when it does not receive this input, it will limit fueling and thus reduce power." I can find nothing about this on any forum and have no idea how to get this signal from the 47re to the truck ECM. Can anyone shed some light?
 
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