2013 Sierra HD, is a gear change worth it?
Hi everyone, I'm new to this forum and have a question about my 2013 Sierra 2500 HD with a 6.0L and 3.73 gear ratio. It has a tow rating of 9400 lbs and in the manual it says if I had 4.10 it goes...
Forum Discussion
jbufton wrote:
Thanks for the tips everyone! Yea I was thinking around $1000-$2000 for the gear change. I'm going to try manual 5th and tow / haul. The truck has no issues keeping speed just hated to hear the engine rev, but sounds like it will be ok.
Changing the differential gearing is no different that lowering a gear in the transmission. All the lower gearing of the differential does is cause the engine to rev higher. Manually lowering the final drive gear in the transmission (say from 6th to 5th) causes the engine to rev higher. Same same.
