I know the difference in the standard TJ with its speedo gear and my '03 that has the speed sensor. I had set my mind on the Dakota Digital unit that I have read about on here.
But I am confused!!
I just finished my Zone 4.25 and a fresh set of 285/75r16's installed. ( roughly a 33x11.5). I took it to get aligned today and while at the shop I downloaded a speedometer app for my phone. On the way home I could only find a 1
Mph difference and that was at 55 and above! Below that speed it was practically dead on.
Shouldn't there be more of a difference? I know the size upgrade isn't that big since the Rubicon comes with a 31" from the factory but I still expected enough of a discrepancy to warrant a correction. Don't get me wrong, I'm glad if I don't have to spend that money, but do you think it seems right? Could the app be off? It uses GPS tech. So I would think its accurate.