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Sm465 shift problem

Hey guys, I have a 1989 Chevy 2500 with an sm465. The problem is, is that I can shift gears for all of 10 minutes till the truck gets warm then it won't go into gear. ANY GEAR. I have to turn it off and put it into gear. I've had people tell me it's the clutch, throw out bearing, or slave...
- Caldwell
- Thread
- Feb 1, 2017
- Replies: 3
- Forum: Transmissions
C
350 tbi towing build 10,000 lbs

Hey guys I've got a 1989 Chevy 2500 hd with a 350 tbi. I'm wanting to know what I could do to make around 375-400 lbs. tq. towards the low end of the rpm range. It has an sm465 and 3.73 gears in the rear limited slip. I need it to pull a 34 ft. gooseneck. Am I out of my mind or not (btw it's not...
- Caldwell
- Thread
- Jan 25, 2017
- Replies: 42
- Forum: Engine Performance + Maintenance