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
It's either a locker or it has clutches. It's isn't both. And it will do no harm (or good) to add friction modifier to a locker dif.
If it actually has clutches then a friction modifier is generally recommended. Failure to use a FM where it is required causes the clutches to chatter and engage roughly which causes wear and breakage.
If it actually has clutches then a friction modifier is generally recommended. Failure to use a FM where it is required causes the clutches to chatter and engage roughly which causes wear and breakage.
