2001 mileage

[Dooley Dave]

I have a 2001 dooley 4x4 6 spd. Mileage is 14mpg. Any one had any experience with computer chip upgrades?

[Rammer_eight]

Dually? sounds like you have 4.10's if not should climb up to around 16 once broke in(10,000mi). computer "chips" usually wont increase mileage. injectors will get you a little, 1 to 2mpg max. if mileage your after not towing power go for a gear splitter.

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2001 quad cab shortbed 24valve, 5spd, 3.54's, TST Powermax2,Turboback highflow exhaust,275hp DD injectors,Pillar mount EGT and Boost. and if you can't DODGE'em RAM'em

[Dooley Dave]

I've got 3:55s, but only 7,000 miles. I did put a K&N filter in right off the bat. this is my 4th Cummins, & used ATF as a fuel additive, injector cleaner, lubricant etc.
I'll wait until I get 10,000 on it then take it to the dealer 7 give them a shot at it.
thanks, J