Was: 29, 4.30, Automatic
Now: 33, 4.30, W56
The W56 would have the speedo gear from the donor, so need the axle ratio from the donor vehicle.............
For Tire diameter change:
29/33 * current W56 speedo gear = .88 * Current W56 speedo gear = new speedo gear
If axle ratio of donor vehicle was 4.3, you're done
otherwise:
(4.3 / (donor axle ratio)) * (new speedo gear above)
