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Some of the AEV dealers sell the ProCal on the DL.
I already emailed Hypertech last week. They said it was not compatible.
I'm thinking they are saying that because they don't have the full 6.4 upgrade yet.
A guy on another forum said he used the hypertech on his 2016 w/ 6.4 without any issues. It was however the diesel unit, but worked for the tire size.
Update on the Hypertech:
Picked up the Hypertech 752503 model yesterday. It is for the diesel, but worked without issue on my 6.4
I updated the unit via internet before using it on my truck, worked great.
One note, my tires are 37" on paper, but Nitto specs say 36.77". Unit increments are .25", so I used 36.75. Speedo was off +2MPH. Speedo was off -5MPH before programming. I adjusted the programmer to 36" even, and speedo is dead nuts with GPS.
So it does work, just a little tweaking to dial it in.
BTW.. In order to use the unit on another vehicle, you have to reset back to stock on the original vehicle. So basically, one unit for each truck.
Cheers.
Update on the Hypertech:
Picked up the Hypertech 752503 model yesterday. It is for the diesel, but worked without issue on my 6.4
I updated the unit via internet before using it on my truck, worked great.
One note, my tires are 37" on paper, but Nitto specs say 36.77". Unit increments are .25", so I used 36.75. Speedo was off +2MPH. Speedo was off -5MPH before programming. I adjusted the programmer to 36" even, and speedo is dead nuts with GPS.
So it does work, just a little tweaking to dial it in.
BTW.. In order to use the unit on another vehicle, you have to reset back to stock on the original vehicle. So basically, one unit for each truck.
Cheers.
The Simple answer is No.if you run the same size tire as stock but just wider adding about 11-13 pounds per tire will it have the same affect as running a larger size tire diameter wise?
The Simple answer is No.
Speedometer being off is all diameter of the tire not width or weight .
A larger diameter tire travels further per revolution , hence the difference in speed .
Skip the hypertech and get a diablo with a. Custom tune??