TH-400 w/Carrier Bearing?

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Kevin Foust

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Dec 29, 2019
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Location
45325
First Name
kevin
Truck Year
1978 and 1980
Truck Model
K30's
Engine Size
400?
We special ordered a single wheel K30 cab and chassis in 1978 and it had the 2 piece driveshaft. Had a 350 with a TH400 automatic trans. with standard long bed wheelbase. We had nothing but problems with the 2 piece as the shaft would lock on the splines of the carrier bearing and force it to the sides and trash it out of the rubber. Do yourself a favor and get a normal one piece with spline slip. You don't need a carrier on a normal wheelbase truck. I used the same truck's frame for my show truck. I had a rear CV driveshaft made with a slip.
 

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AuroraGirl

Full Access Member
Joined
Sep 8, 2019
Posts
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Location
Northern Wisconsin
First Name
Taylor
Truck Year
1978, 1980
Truck Model
K10, K25
Engine Size
400(?), 350
We special ordered a single wheel K30 cab and chassis in 1978 and it had the 2 piece driveshaft. Had a 350 with a TH400 automatic trans. with standard long bed wheelbase. We had nothing but problems with the 2 piece as the shaft would lock on the splines of the carrier bearing and force it to the sides and trash it out of the rubber. Do yourself a favor and get a normal one piece with spline slip. You don't need a carrier on a normal wheelbase truck. I used the same truck's frame for my show truck. I had a rear CV driveshaft made with a slip.
I mean, ifyou maintain them and that means sadly more than a 1 piece it wouldnt be too bad but meh
 

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