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niterydr · 03-22-2012

HP Tuners is an option for modifying the trucks. The torque management program and lean fueling actually typically hurt MPG if you have a foot that needs power "now" and eases up later as you are on it longer.

My 2500HD with larger tires, drop in filter, and a hp tune tweak gets 12mpg city, as high as 16 on the highway. Truck has 113k on it and features the extended cab with the long box. (ECLB). I tuned it around 93k.
I have the 6.0 LQ4 and the 4L80E with 4.10 gearing.

However, the "unlocked" power is nice.

03-22-2012	#6
niterydr back in the saddle again 24 Hours Rally Champion! 3D Pacman white house edition Champion! 3D Racing - Track 2 Champion! ATV Winter Challenge Champion! Bloody Pingu Champion! WRX Racing 2 Champion! Tournaments Won: 5 Join Date: Oct 2003 Location: Elkhart Texas Drives: 2015 Ram Quad Cab Hemi, 1999 FRC Corvette, 93 Stealth Turbo Posts: 6,411	Re: programer for a gas truck? HP Tuners is an option for modifying the trucks. The torque management program and lean fueling actually typically hurt MPG if you have a foot that needs power "now" and eases up later as you are on it longer. My 2500HD with larger tires, drop in filter, and a hp tune tweak gets 12mpg city, as high as 16 on the highway. Truck has 113k on it and features the extended cab with the long box. (ECLB). I tuned it around 93k. I have the 6.0 LQ4 and the 4L80E with 4.10 gearing. However, the "unlocked" power is nice.