T56 Yoke Dimensions

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Apr 3, 2017 | 01:43 PM

Flamed350

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From: HorsePower Central

T56 Yoke Dimensions

Can anyone tell me the dimensions of the T56 yoke? I've read conflicting accounts of the holes being either 1.125 or 1.062. Needing this so I can attach the Yoke to my original driveshaft. Almost finished with the 69 camaro LS Swap, this is one of the last pieces. Thanks.

Apr 3, 2017 | 02:18 PM

1964SS

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Why not use your original yoke? The T56 is a normal 27 spline output shaft and should work with your original shaft unless you had a 32 spline turbo 400 in it previously.

Apr 3, 2017 | 03:10 PM

Flamed350

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I am using the T56 Yoke. But the 4 speed that came out of the car had a different size. So I need a ujoint to not only fit the driveshaft but a smaller size to fit the yoke. But i've read 2 different possible sizes today if i have searched the web correctly. from what I read i need the napa/precision 447 u joint, which is 1.125 for the T56. But i also read where its a 1.062, again as long as I researched the web and read it correctly. Just like in your sig, i'm going to a 9 inch rear. which i read is a 1310 to 1350? thanks again.

Apr 3, 2017 | 04:06 PM

1964SS

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The yoke on the F body T56s are a 1344 joint and your 69 camaro should have spicer 1310 style unless it's been upgraded to match the 9 inch rear 1350 type.

So you need a conversion joint 1344 to 1310 joint or 1344 to 1350 joint if you have a larger driveshaft.

Apr 3, 2017 | 05:44 PM

Flamed350

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Thank you

Apr 3, 2017 | 08:15 PM

Flamed350

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Ok i was wrong. I talked to the guy i bought it off of and its a 700r4 yoke and is 27 spline.

Apr 3, 2017 | 09:46 PM

Project GatTagO

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From: Little Austin

T56 uses the same yoke as a TH350...27 spline. As to what u-joint, that all depends because there are numerous yokes available for different u-joints.

Andrew

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Apr 4, 2017 | 09:28 AM

1964SS

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From: Mesa, Arizona

Your best bet is to get out the tape measure and see what your yoke and driveshaft are. If it's a 700r yoke it's probably a 1310, but only you can determine that.