Which U-joint?

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Sep 16, 2014 | 08:00 PM

jbrockwell

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Staging Lane

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From: Troy, MI

Which U-joint?

So I'm installing a moser 12 bolt with a 1350 yoke on my buddy's car. We picked up a steel driveshaft from a 1992 transam. Turns out the steel driveshafts have slightly different u-joints than those on the 4th gen driveshafts so the precision 348 u-joint adapter I picked up will not work. (348 joint mates the stock f-body driveshaft with a 1350 yoke.)

Looked around for a while and haven't come up with anything yet.

I basically need a u-joint that fits a 1992 transam steel driveshaft and a 1350 yoke.

Measurements of the 1992 transam u-joint:
Length from cap to cap: 3.65"
Diameter of caps: 1.125"

Thanks in advance

Sep 17, 2014 | 07:12 PM

S10xGN

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From: Port Neches, TX

That (1 1/8") cap is a Ford-specific size, maybe your caps are actually 1 1/16"? That would be a GM 1330 joint. I know because I'm going through this agony myself. I have a '68 C3 big block T400 trans yoke (1330) while the pinion yoke on my 9" has the 1 1/8" caps ("Cleveland 55-55-675" u-joint)...