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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 01-20-2013, 12:46 AM
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Default 45RFE 5th gear?

I've got a 45RFE trans, which I'm sure is a 4 speed (1, 2, 2p, 3, and 4). But my Superchips 3865 Flashpaq gives me options for shift points for those gears, as well as from 4 up to 5, and back down. Does this actually do anything? I'm very confused.
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Old 01-20-2013, 11:36 AM
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You have a 5 speed 545rfe. Only older Jeeps came with the 4 speed version, which is just a programming change.
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Old 01-20-2013, 12:34 PM
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Are you sure? The transmission label says 451, and under that is the RFE. And my Ram is 9 years old.
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Old 01-20-2013, 04:11 PM
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Quote:
Originally Posted by Crowley View Post
Are you sure? The transmission label says 451, and under that is the RFE. And my Ram is 9 years old.
The 451 is a casting number, not your trans number. I have an 03 and I have it, so TRUST me you have a 545RFE. The last Ram to have just a 45RFE was 2002 4.7.
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Old 01-20-2013, 04:20 PM
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5speed............................
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Old 01-20-2013, 06:05 PM
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Ok. Sweet. Thanks everyone.
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