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what u-joint ?
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10sec.et
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1969 Oldsmobile Cutlass

PostPosted: Thu Jun 21, 2007 9:55 pm    Post subject: what u-joint ? Reply with quote

well, i didnt really expect the driveshaft to fit the Ford 9" when i changed over from a GM 10 bolt but, is there a u-joint i could use to mate the GM driveshaft to the 9" yoke or will i need to have the end of the driveshaft changed ?
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nwcc
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PostPosted: Thu Jun 21, 2007 10:29 pm    Post subject: Reply with quote

What series yoke is on your 9"?
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10sec.et
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1969 Oldsmobile Cutlass

PostPosted: Thu Jun 21, 2007 10:43 pm    Post subject: Reply with quote

if memory serves, its a 1350 forged steel yoke.
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nwcc
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PostPosted: Thu Jun 21, 2007 11:16 pm    Post subject: Reply with quote

I hear that Napa sells conversion U-joints. Or you look here

http://www.strangeengineering.net/catalog/pdf/129.pdf
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wagon train
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1983 Mercury Capri

PostPosted: Fri Jun 22, 2007 1:01 am    Post subject: Reply with quote

Lakewood also sells conversion u-joints.
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beersngars
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1948 Chevrolet Coupe

PostPosted: Fri Jun 22, 2007 7:48 am    Post subject: Reply with quote

Yes NAPA sells them. You most likley need a 1350x1310. Take a few measurements and grab a catalog.
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10sec.et
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1969 Oldsmobile Cutlass

PostPosted: Fri Jun 22, 2007 9:11 am    Post subject: Reply with quote

THANKS!!!!! ill go by NAPA today to see what they have.
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Paul P
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1971 Chevrolet Chevelle

PostPosted: Fri Jun 22, 2007 10:13 am    Post subject: Reply with quote

From what I can remember NAPA u-joint part number 372 is the one you want and then I had to buy a standard u-joint part number 369 and swap the caps from the 369 on to one of the pairs of caps on the 372 to make it right.

Last edited by Paul P on Fri Jun 22, 2007 2:15 pm; edited 2 times in total
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jeep_406
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PostPosted: Fri Jun 22, 2007 11:43 am    Post subject: Reply with quote

NAPA used to sell Spicer joints but I don't think they carry them anymore. At least the local NAPA store by me doesn't and they couldn't get them from the warehouse.
If you're putting out a lot of torque, I'd spend the extra money for the Lakewood Joints.
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beersngars
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1948 Chevrolet Coupe

PostPosted: Fri Jun 22, 2007 11:54 am    Post subject: Reply with quote

Spicer is what I bought at my NAPA. The store we have is huge with a machine shop and all. Worth a try. Another possibility is a driveline shop that does clutchs and drive shafts.
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10sec.et
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1969 Oldsmobile Cutlass

PostPosted: Fri Jun 22, 2007 2:14 pm    Post subject: Reply with quote

well, NAPA is out of the question. we cancelled our commercial account with them a long time ago and after going into the local store i can see why. this one particular store is a cluster f@#k. to say the least my visit was disappointing.
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Knarley Darley
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PostPosted: Fri Jun 22, 2007 2:22 pm    Post subject: Reply with quote

We have a few really good driveshaft places here, and I buy from them. they have all the wierd stuff and carry only spicer. Check with a driveshaft place, they will probably have what you need.
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Paul P
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PostPosted: Fri Jun 22, 2007 5:20 pm    Post subject: Reply with quote

Those part numbers are correct I checked my old boxes the 372 is big and small spanned and the 369 is a square joint. Too bad about the NAPA near you.
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af2
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1933 Willys Coupe

PostPosted: Fri Jun 22, 2007 6:45 pm    Post subject: Reply with quote

Is it possible to have the drive shaft cut and the 1350 end welded on so you don't have a problem later matching U-Joints? I have done plenty to say it is cake!
I would go that route to save the pain on explaining to a side ways baseball cap pants down to you're knees tuner at NAPA!
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Big Dave
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PostPosted: Fri Jun 22, 2007 6:51 pm    Post subject: Reply with quote

Just a thought, but wouldn't you want 1350 joints at every point in tour drive shaft. It doesn't make much sense to use a U-joint which on one side will handle only 70% of the stress of the other. You can have a drive shaft made up with all 1350 (or go hog wild and install 1370's like the rock crawlers do).

Big Dave
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