GM 14-bolt FF Rear End with 149k miles
Hi to all, Our TV is a GMT400 1997 GMC K2500 7.4L Burb with 149k miles. It is 8-lug, 3.73, GVWR 8,600, with GAWR RR of 6,000 lbs for the full floater rear axle. We believe the rear end also has 149...
Forum Discussion
THis is my understanding as well. I believe all trucks with the G-80 are locking differentials
MARKW8 wrote:
I think the G-80 was only what GM used as the option code. Depending on year or model it could have been locking or a limited slip. Both have clutches but the locking diff gets no additive.
Mark
