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I got a 2018 GMC Sierra with the eassist package. I never thought of this thing as a hybrid but GMC does classify it as such. One of the digits in the VIN specifies that distinction. I also recently picked up a Hypertech Max Energy 2 because I liked the options it provides for the AFM, specifically the speed at which it operates. The Hypertech didn't work, says the truck is not supported. A call to their tech support confirmed that the issue was the fact that the truck is a hybrid and they do not support that. So my question for the forum is, anyone know of a tuner that is supported on this "hybrid" pickup? From reading sites of other tuners it doesn't look like anyone makes this distinction of hybrid. I can return the Hypertech so a trial & error approach of purchasing another tuner and seeing if it would work is possible, but time consuming and annoying. Thanks in advance for help or suggestions.
Just returned my DIablosport i2 as it would calibrate my speedo when changing to larger tires. Talked to Diablew who advised it is a known problem that hasn't been fixed... With that in mind, looking for input on the Bully Dog DT and Hypermax 2.0 Tuner. I know everyone on here says to go custom, but I just dropped $5K on my lift and wheels/tires so looking at something more affordable for now. Superchip and Edge don't support the 2016 Silverado 5.3L yet so those are out as well. Any help is appreciated! thanks
I just bought a 2017 GMC SLT with the 6.2L and 8 Spd. It had 8700 miles on it. It will idle a little rough at idle momentarily. I only run premium gas, is that normal for the 6.2L? I've installed a Magnaflow 12909 muffler w/o flapper valve and an AFM Momentum CAI. Also, since I've had it, it has a tick that is heard when your standing next to it, or in a drive thru with the window down. Is that normal? After reading on here I'm worried about the afm lifters causing it. I plan on getting a Hypertec programmer so I can change the afm to 70mph and adjust the shifting so it's less clunky. I also will be installing an Elite Engineering EX-2 catch can kit. Will these additions help with the common afm issues? To make it more reliable in the long run? Anyone with experience or knowledge please educate me on this, thank you