Poll

[Scott in AZ]

Converting 20-year old SUV from RWD to 4WD…. Sure….Cool….What could possibly go wrong …..?

 

[S33k3r]

Actually you can. Put the vehicle up on stands, spin the wheels, and watch the driveshaft. Count the revolutions for the driveshaft. If both front and rear spin the same amount, you are golden. If not, one of them is going to need to be regeared.