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Hot Rods 10 Spline PG slip yoke

Discussion in 'The Hokey Ass Message Board' started by koepsel, Mar 26, 2018.

  1. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    I'm looking for a 10 spline / 1350 u-joint slip yoke for a powerglide. Anyone have a idea where I might find one? I've tried Strange/Moser/MW. I'm sure they were made at some point.
     
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  2. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,694

    56sedandelivery
    Member Emeritus

    What year Powerglide are you working with? Is it a cast iron Powerglide? I've never heard of a 10 spline slip yoke for a Powerglide; unless maybe it's a 50-54 Powerglide? Those would be torque-tube type transmissions, but, those yokes are bolted to the end of the transmission output shaft, and are't really a "slip yoke". IF that's what you're working with, a 50-54 Powerglide, then finding a "new" one will be strictly be a NOS, or a used one. I am Butch/56sedandelivery.

    I wondered about this, so I went onto E-Bay, and those 50-54 Powerglides do use a 10 spline YOKE. E-Bay item number 332454310469 is an example of a NOS one and the price ain't bad either.
     
    Last edited: Mar 26, 2018
  3. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    Its from a early aluminum glide co**** spline. I think they were 10 spline. This was a mid length extension housing unit. 9" housing length.
     
    Last edited: Mar 26, 2018
  4. Deuced Up!
    Joined: Feb 8, 2008
    Posts: 4,224

    Deuced Up!
    Member

    Powertrain Industries
    Springfield MO
    (417) 863-1830
    Ask for Carl....

    Sent from my SM-G930V using The H.A.M.B. mobile app
     
    Last edited: Mar 26, 2018
  5. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    I tried them. No such animal. He did have a 1310 size yoke. He told me the spline count was 16 too.
     
  6. Deuced Up!
    Joined: Feb 8, 2008
    Posts: 4,224

    Deuced Up!
    Member

    I don't know I have an early aluminum air cooled unit. 16 is what is in it. Carl knows his stuff. Sorry I didn't see the 10 spline part just saw the corse spline early PG. Not sure what you have there...?

    Sent from my SM-G930V using The H.A.M.B. mobile app
     
  7. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    I have the 16 spline count. I thought it was 10. :) What I have is a mopar 8 3/8 rear with a 1350 yoke. I need to adapt the PG that has the mid length or early 9" tailhousing length to the 1350 yoke on the 8 3/4. I can get a 1310 to 1350 u-joint. Just worried about it holding up. The trans in the rail was coupled direct, just one u-joint.
     
  8. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,694

    56sedandelivery
    Member Emeritus

    Early aluminum Powerglides, 62-65, had a 16 count spline output shaft; 66 and later were 27 spline. Generally speaking, the later 27 spline setups are used in racing Powerglides. I have built Glides using the 16 spline output shaft, buts it's easier to find parts for the 27 spline models. Any 55-65 slip yoke should work for a course spline Glide. Exactly WHAT are you trying to do? If you're trying to connect a course spline Powerglide slipyoke to say a 57-64 Olds/Pont rear-end, then you'd need to use a combination universal joint (I'm only guessing here from looking at the dragster in your avatar). Not going to discuss anything involving the cast iron Powerglides. There were 3 different length Aluminum Powerglides; the 25 inch long Glide was used in the X-frame cars 62-64, almost all other applications used a 27 inch long Glide, then there is a very RARE 32 inch Glide that was used in some big trucks. I can't see why you can't find a slip yoke, other than you're saying yours has a "ten" spline output shaft, and if it does have that, it's in no way a factory part. Some of the racing transmission companies have made some heavy duty, aftermarket parts, but it does't sound like that's what you're using. Most of my Powerglide knowledge comes from Carl Munroe's (RIP) book, "Powerglide Transmission Handbook, How To Rebuild Or Modify Chevrolet's Powerglide For All Applications", by HP Books (Amazon or E-Bay, 14-27 dollars). So again, WHAT are you trying to do?
    I am Butch/56sedandelivery.

    You must have been typing as I was. You need a combination universal joint; just go to E-Bay, and use them as a "catalog" for what you need. There are all kinds of combination universal joints. My FED had a 57-64 Olds/Pont rear-end and a "shorty" Glide that was connected directly together with a universal slip joint, and I never had any issues.

    FYI, There's a really good drag racing site, YellowBullet.Com. Has many forums, including a Transmission forum sponsored by Hutch, a Canadian transmission build. Cl***Racer.Com is another good drag racing site. Those are the two I go to, but there are many others.
     
    Last edited: Mar 26, 2018
  9. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    Thanks, That is what I need to do. A slip yoke direct to the 8 3/4 Mopar. The 8 3/4 has a MW 1350 size u-joint yoke. I have a 16 spline PG slip yoke but it uses 1310 size u-joints. So I was thinking about using a 1310 to 1350 conversion u-joint. This would be directly connected from the slip yoke to the rear end. Just a single u-joint. I'm only putting a mild 355 in it around 350hp. The rail was set up this way before. Previous owner wont sell me the trans. :(
    I've also tried to find a aftermarket planetary (27 spline)that has a length of the PG with the 9" tail housing. No luck so far.
    I'll check out the sites. :)
     
  10. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,422

    Johnny Gee
    Member
    from Downey, Ca

  11. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    Thanks!!! I called Strange today. They told me they didn't make them? I'll call again tomorrow.

    EDIT: That won't work either. The OD on the slip yoke for PG is 1.503. The one you listed is 1.812.
     
    Last edited: Mar 26, 2018
  12. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,694

    56sedandelivery
    Member Emeritus

    You WON'T find a 27 spline planetary for a 25 inch long Glide; they never made them. IF your dragster ch***is has very much flex , then you might want to go with an aftermarket shorty kit. That will get you the 27 splines you're after, but then you'll need to make up a really short driveshaft; I don't think they make a coupler that would breach that much distance. Or, you could go with a 27 inch long Glide, and move the engine out 2+ more inches to use a direct slip-yoke coupling. My FED had an aftermarket shorty kit, a shortened slip yoke, and bolted directly to the rear-end. My ch***is was only a 120 inch wheelbase car from 1964, and was made of mild steel with 1-3/4 inch OD tubing; the back-half was really solid, so flex was't of any concern that would cause binding in the slip-yoke. My rear motor car also had a shorty kit, a 9 inch long C/C driveshaft, with u-joint bolted to a 9 inch rear-end. Ch***is flex will really be your only concern. You could also go with a shorty kit, and a short driveshaft, but it would probably be really short.
    As far as the Strange part mentioned above, you could always have it turned down to size could't you?. It should be "bulky" enough, and it's only .309 difference if my math is correct. I am Butch/56sedandelivery.
     
  13. Deuced Up!
    Joined: Feb 8, 2008
    Posts: 4,224

    Deuced Up!
    Member

    Did you tell Carl at Powertrsin what you need. He is crazy good. He can probably fab something for you....?

    Sent from my SM-G930V using The H.A.M.B. mobile app
     
  14. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    I thought about that too. I'll call and see how thick the yoke is. I have a lathe to cut it down.
     
  15. oldtom69
    Joined: Dec 6, 2009
    Posts: 583

    oldtom69
    Member
    from grandin nd

    don't the 16 spline power glides also have a rear pump?
     
  16. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    Yes they did. I'm only using the planetary. I have to use a SFI aftermarket case.
     
  17. saltflats
    Joined: Aug 14, 2007
    Posts: 13,638

    saltflats
    Member
    from Missouri

    Take one of the 27 spline long tailshafts and cut it down and have it resplined.
     
  18. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    I'm going to look at that tomorrow. It's only about 2" difference. I might get away with just cutting the long shaft down.
     
  19. saltflats
    Joined: Aug 14, 2007
    Posts: 13,638

    saltflats
    Member
    from Missouri

  20. koepsel
    Joined: Aug 9, 2010
    Posts: 61

    koepsel
    Member

    Yes sir that's it! I measured the same thing this morning. I should be able to just cut the shaft and use the MW/1350 yoke I have. Problem solved! :)
     
    Johnny Gee likes this.

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