Description	Original	New
(ins) Wheel Dia: 13
(mm) Tyre Width: 145 185
Aspect Ratio: 82 60
	Tyre Difference (%):
Diff Ratio: 3.9 3.5
	Drive Difference -8.4(%):
Max Torque @: 3500
Revs? @ Speed: 100

Rolling Diameter: 22.36 21.74
Shoulder Height:
Circumference:
Circumference: 1784.4 - 1734.8
Wheel Revs/Mile ....
Speed per 1000rpm: 17.06 - 18.48
Speed at Max Torque: 59.71 - 64.69
Revs at Speed: 5860 - 5410

Form some reason I have figured yet you need to press Solve 3 to work out the bottom numbers.

Don't try and fill in any boxes in the right hand column