2005 Cummins Tuning - What should I know?

Either way HP or UDC you won’t be disappointed. I have found some limiters in HP as of late that aren’t in UDC. With a MM3 (blank device) or a Smarty Touch with a Comm mod you CAN shift on the fly. Not just percentages like the old POD software. We have control of all important parameters as shift on the fly.


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If the trans is holding and you don't want big power there is no reason to throw money at it. One nice thing about good custom tuning is how progressive it is. I have been running a 500hp tune on my dead stock 48re and it has never slipped noticeably. I think it has alot to do with the fact that full power doesn't come on until wot so the tranny knows what is coming.
 
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