Rear End Gearing Same?

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Rear End Gearing Same?

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Chevrolet Forum >> Chevy Trucks, Vans & SUV's >> Silverado >> Rear End Gearing Same?

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Rear End Gearing Same? - 6/29/2007 7:20:00 PM

3rdday

Posts: 4
Joined: 6/29/2007
Status: offline

Does anyone know if the rearends in the 1500 suburbans 2001 & 2002 are the smame rearends in the Duramax 2500 silverados of those same years, the 4.10,3.73, & 3.43

Post #: 1

RE: Rear End Gearing Same? - 6/30/2007 6:10:05 AM

ZX1100F1

Posts: 2429
Joined: 8/1/2006
Status: offline

The rear-ends are not the same, but the gear ratio's are similar.
All Duramax equipped Silverado's have 3.73's while the ratios that you mention above were all availalbe in the 1500 Suburban's.

(in reply to 3rdday)

Post #: 2

RE: Rear End Gearing Same? - 6/30/2007 2:37:38 PM

3rdday

Posts: 4
Joined: 6/29/2007
Status: offline

Thanks for your help, do you know....
Our '02 suburban has a 3.73 according to the window sticker that shows all of the options/upgrades.Not sure about our '01 Suburban.
Would that 3.73 in the '02Suburban be the same as the 3.73 in the duramax of '02?? I am asking because If/ when this gas engine dies. I would like to drop in the duramax & allison tranny.
Does any one know if the rearends were locking differential back then?

(in reply to ZX1100F1)

Post #: 3