Rich P, 2008 Ram 3500 4x4 G56 single wheel stock fueling 35/12.5/18 toyo at2 5in straight pipe mm3 Drd tunes.
So I recently did my spark plug delete and my antivirus software from DRD.
I have about 1000 mile on it since and I am extremely pleased.
I have noticed a couple of problems.
First my Cruise control doesn’t work anymore (it work fine before, I use it a lot).
The second thing is my speedometer is reading about 4 mph higher then I am actually going.
I have tried adjusting tire size in the tuner and it doesn’t seem to make much of a difference if any.
Any ideas would be appreciated.
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