How many gears does a 2011 Silverado have?

Most reviewers say that the Silverado’s performance makes it easy to live with, even for a large truck. They say the Silverado has a refined ride, powerful V8 engines and an available six-speed automatic transmission that always seem to pick the right gear.

How big is the gear assembly on a Silverado?

In the all the vendor books I have, the 02 to present has the 11.5″ gear assembly. There are 31 pinion splines on the 11.5″ and 30 pinion splines on the 10.5″ if you want to check that way. I am 99.9% sure that you have the older 10.5″ assembly,in your 01 truck.

What’s the rear end gear ratio in a GMC?

General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch. Our experts will help you find the correct ring and pinion set for your particular application.

How big is my GMC Sierra ring gear?

What Size Is My Ring Gear?! I have read many of the older posts and half of the responses are 10.5 and the other half is 11.5. I am ready to pull everything apart I just need to know which parts I need to get. I have a 2001 GMC Sierra 2500HD with an Allison Trans. Is there a tag I can look at somewhere? I know I have 4:10 gears.

How big is the gear assembly on a 02 truck?

That is as far as my knowledge goes. In the all the vendor books I have, the 02 to present has the 11.5″ gear assembly. There are 31 pinion splines on the 11.5″ and 30 pinion splines on the 10.5″ if you want to check that way. I am 99.9% sure that you have the older 10.5″ assembly,in your 01 truck.