Hi All,
Just had Toyo 35" M/Ts installed on my 4. 5 3500 4x4 and am wondering about recalibrating the speedo.
Is this an ECM only recal or the old-school-change-the-gear-in-the-trans recal? (It's an auto trans if it makes a diff. )
So far I like the tires; I noticed a little loss in...