3:rd-Jan-2015, 19:45:03
right i know im digging up old dirt but after one of our member buying the reps i brought I have decided I will as well by the next trax event.
So I have been on the calculator http://www.tyretraders.com/Tyres_Calculator.aspx
now going from my old tyres which was standard on the car which where
205/60R16 H
Sidewall Height mm 123
Wheel RPM 785.19
Radius mm 326.2
Ratio Difference % -0.26
Speedo Reading 70MPH
Going to
215/45/r18
Sidewall Height mm 96.75
Wheel RPM 787.24
Radius mm 325.35
Ratio Difference % -0.85
Speedo Reading 69.82MPH
what you guys think?
So I have been on the calculator http://www.tyretraders.com/Tyres_Calculator.aspx
now going from my old tyres which was standard on the car which where
205/60R16 H
Sidewall Height mm 123
Wheel RPM 785.19
Radius mm 326.2
Ratio Difference % -0.26
Speedo Reading 70MPH
Going to
215/45/r18
Sidewall Height mm 96.75
Wheel RPM 787.24
Radius mm 325.35
Ratio Difference % -0.85
Speedo Reading 69.82MPH
what you guys think?