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35%? How's the egt's with that? What is the cost of the kit?

What is a wake up kit?

I'm running 16:00's. I don't need more highway gears. haha! The poor truck struggles with what it has now.

One other thing is when I'm going up a steep dirt hill the rear tires will slip then the front will grab and then the rear slips agian causing a hopping action. I just thought it was the nature of these "part time" sprag cases. Do you guys take your trucks off-road and know that your 6x6 work well?

I have drained the fluid and filled the case with diesel and ran the truck short distance with stop and starts to cause the fuel to splash around. Still no help. I'm sure the sprags are just not engaging all the time. I know if I dump the clutch the do engage so I don't think the issue is air...

Why dump the T-138? Let me count the reasons. My sprag clutch case is not reliable. It has left me standard on many occasions. I'm the type of guy that likes the positive reassurance that my front axle is engaged before I attempt to climb a hill or rocks or mud hole or crush a car or hook bumper...

Ok so I got a m-813 with a sprag clutch transfer case... Yeah, I know :deadhorse:. but here is the new spin. I wanna trade out the unreliable sprag case for one of the axle tech T-600 that are now flooding the market. I don't expect this to be at all a bolt in but just wondering what you folks...