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T56 to 4L80E yoke..HELP!

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Old 04-08-2014, 11:32 AM
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Default T56 to 4L80E yoke..HELP!

Hey guys. I know this has been beat to death, but I just can't find any threads that help....and the ones that would help, the pictures/links no longer work.

So here's my situation, I'm swapping an 80E into my '98 WS6, and I can't figure out which yoke to use. I know I'll need a certain kind of TH400 yoke, but I don't know which one. My output shaft is NOT splined all the way up, and it has a threaded shaft for a bolt through the center. I'll attach some pictures. Also, what series yoke and U-Joint do I need for my stock driveshaft?

Can ANYONE point my in the right direction, with some links/pictures/personal experience? Thanks to all.
Attached Thumbnails T56 to 4L80E yoke..HELP!-image-3148152278.jpg   T56 to 4L80E yoke..HELP!-image-1955158408.jpg   T56 to 4L80E yoke..HELP!-image-3679554246.jpg   T56 to 4L80E yoke..HELP!-image-775501536.jpg  
Old 04-09-2014, 12:11 PM
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Bump...someone help me out.
Old 04-09-2014, 04:36 PM
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I would change the output shaft to a full splined one and get the correct yoke for that
Old 04-09-2014, 04:41 PM
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We have counterbored yokes to fit that output shaft.

When we build the transmissions here, we machine the output shaft so any standard 32 spline yoke can be used.
Old 04-09-2014, 08:16 PM
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I recommend a new driveshaft if you are trying to go to the big ujoint the conversion ones suck *** and I about beat up the bottom of my car after mine broke. If I didn't have a DS loop it would have tore up some stuff.
Old 04-11-2014, 11:28 AM
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Originally Posted by Jake's Performance
We have counterbored yokes to fit that output shaft. When we build the transmissions here, we machine the output shaft so any standard 32 spline yoke can be used.
Awesome, thanks jake. I will be giving you a call soon for a yoke. I'm just getting pieces together to run this stocker for a bit, and a few months from now I will be sending it to you for a build. Just trying to get the car running for now.
Old 04-11-2014, 11:28 AM
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Originally Posted by MUSTANGBRKR02
I recommend a new driveshaft if you are trying to go to the big ujoint the conversion ones suck *** and I about beat up the bottom of my car after mine broke. If I didn't have a DS loop it would have tore up some stuff.
I'll look into that for sure, thanks. I'm getting a loop as well



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