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Old 02-14-2015, 07:09 PM   #1
JIMs70GMC
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Location: Chesapeake, Virginia
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hybrid u-joints

Is there a u-joint that will go between a 1972 1/2 ton drive shaft and a 1986 10 bolt rear axle? The 86 10 bolt has straps.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 02-14-2015, 08:12 PM   #2
JIMs70GMC
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Re: hybrid u-joints

Never mind. Denny's Driveshafts has everything I need.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 02-14-2015, 08:25 PM   #3
65standard
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Re: hybrid u-joints

They make pretty much every different combination of sizes ever used.
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Old 02-14-2015, 09:00 PM   #4
davepl
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Re: hybrid u-joints

I confirmed that you can get 1310-1350, 1330-1350, and 1310-1330. So that means you can do pretty much anything.

When I swapped over to the 200-4R I figured I'd step everything up to 1350, which I did. The only hitch was finding an output yoke that'd fit the 200 but still be 1350 (this trans was rated 1200hp but most 200-4Rs have no need for a 1350...).

Then I found out that the TH350, 200-4R, and Powerglide all have the same spline count. So, I bought a beefy Powerglide unit intended for racing and I was all set.

My reason for going up to 1350 was simple: you're often faced with the decision if you want a grease nipple (long life) or not (maximum strength). I wanted the best of both worlds so I went to a greasable but -bigger- joint. That was my logic anyway.

Might as well through out as well: in general, you can to compress the grease nipple, put "pull" it apart, so it matters which way you install them. Or to put it more precisely, they're stronger when the nipple hole is run in compression, not tension.
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