RUSTYS
Well-Known Member
I thought the same thing on my JK. When I put on 33"s is was off by less then 1 MPH. When I went up to 35's is was 1 MPH. A lot of people over react and overthink things. I used a GPS when checking my speed. No code problems either when I went from 3.73's to 5.13's.I thought it would be off 3mph at 50mph. (6%). It also causes traction and stability control a slight delay in response.
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