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Old 03-09-2017, 03:38 AM   #20 (permalink)
slowmover
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Join Date: Oct 2009
Location: Fort Worth, Texas
Posts: 2,442

2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
Thanks: 1,422
Thanked 737 Times in 557 Posts
Never found anyone who could show records about mpg using Smarty, but near universal that it's the least damaging tune. Trucks with auto trans suffer reduced life of that component. Same for injectors.

If one CAC system boot is bad, they all are. Having lasted that long they're due for replacement.

MOPAR 4" paper air filter the one to have.

Glad mysteries are receding.

Exhaust brake great for 10k pound trailers. Not really otherwise. I'd still do repair.
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