4.56 gears stock????

[jace71]

Trying to figure out the gear ratio of my axles (d44 front, 12b rear)..The only thing I've found so far on the axles is a stamp on the front drivers side that says 4-56. Could this be the gear ratio???

 

[gmc4cw]

the best way is to take one of the covers off. the tooth count should be stamped in the ring gear. if you don't know what the ratio is then checking the fluids is a good idea too. for all you know your diff could be full of water.