1- piece Driveshaft for '70 Cutlass 4-speed

Old May 17th, 2019, 09:44 AM
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1- piece Driveshaft for '70 Cutlass 4-speed

[EDIT June 7] Having a custom one made for me instead. Really unbelievable how I was taken twice in this simple quest to get the right driveshaft. I hope everyone enjoys their money.

[EDIT June 1] I have purchased two drive shafts from sellers who insisted they had what I was asking for, even sending pictures, only to get the items and find they have been misrepresented quite badly.

I need a 1-piece 4-speed shaft that measures 56-1/2" from the center of the u-joint hole to the opposite center u-joint hole, not end to end. I've sent emails and texts to everyone I could think of who might have one, and they've come back negative. Anyone? It doesn't have to be perfect, but it would be nice if it was ready to drop in. If anyone is looking for a 1-piece that measures 55" from center to center, repainted and ready to install, I've got that. I have a one piece 56". I also have a 2-piece 55" in great shape that's ready to drop in anywhere. But I need 56-1/2! Let me know what you have!!

Last edited by BSiegPaint; June 7th, 2019 at 02:23 PM.
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Old May 17th, 2019, 11:15 AM
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Try The partsplaceinc.com that is were I got mine
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Old May 17th, 2019, 11:16 AM
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lol, I literally just scrapped around 30 driveshafts and I know for sure there were at least 5 that length. I saved 5 random ones from that stack, I will see what length they are. Hopefully one I saved was that length.
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Old May 17th, 2019, 11:47 AM
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HEY BOB

Have you looked into buying a longer yoke?? The you could use the driveshaft you already have

https://www.summitracing.com/search/...le/spicer-1310

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Old May 17th, 2019, 12:22 PM
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Originally Posted by 11971four4two View Post
HEY BOB

Have you looked into buying a longer yoke?? The you could use the driveshaft you already have

https://www.summitracing.com/search/...le/spicer-1310
Hmmm - no, never thought of that. It makes sense... I guess every yoke is the same width to accept the u-joints. How deep into the trans are the yokes supposed to go? That would give me an exact measurement to look for.
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Old May 17th, 2019, 12:25 PM
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Originally Posted by jensenracing77 View Post
lol, I literally just scrapped around 30 driveshafts and I know for sure there were at least 5 that length. I saved 5 random ones from that stack, I will see what length they are. Hopefully one I saved was that length.
Of course...lol I was going to post for one a couple weeks ago, but thought I had the right one shipping to me based on pictures from the seller. Turned out to be wrong as well. I'll wait to hear before looking more seriously into using a longer yoke.
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Old May 17th, 2019, 12:45 PM
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Originally Posted by BSiegPaint View Post
Hmmm - no, never thought of that. It makes sense... I guess every yoke is the same width to accept the u-joints. How deep into the trans are the yokes supposed to go? That would give me an exact measurement to look for.
https://www.hotrod.com/articles/how-...th-driveshaft/

Article quotes
CC: How much should the front yoke of a driveshaft engage the output shaft of the transmission?
DD: The slip yoke should be able to go into the tailshaft of the transmission so the barrel is fully inside the seal. Then, pull out the yoke 1 inch. This is the correct amount of spline contact for the slip yoke.
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Old May 17th, 2019, 01:01 PM
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Originally Posted by 11971four4two View Post
https://www.hotrod.com/articles/how-...th-driveshaft/

Article quotes
CC: How much should the front yoke of a driveshaft engage the output shaft of the transmission?
DD: The slip yoke should be able to go into the tailshaft of the transmission so the barrel is fully inside the seal. Then, pull out the yoke 1 inch. This is the correct amount of spline contact for the slip yoke.
OK, so I should simply take the shaft measurement from my stock yoke and subtract an inch, and that's the proper depth into the trans. Then add the extra length I need for the shorter driveshaft, which is 1-1/2". That's the yoke length I need to buy. Thank you!
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Old May 17th, 2019, 01:42 PM
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I have one removed from a 70 cutlass 4-speed years ago. see pics below.

shipping won't be cheap.
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Old May 17th, 2019, 04:10 PM
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56 even are the ones I was thinking of. I do have one at 56 inches but not 56.5
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Old May 17th, 2019, 04:21 PM
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Originally Posted by jensenracing77 View Post
56 even are the ones I was thinking of. I do have one at 56 inches but not 56.5
I sure appreciate you taking a look for me - thank you!
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Old May 17th, 2019, 04:22 PM
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Lunaboy, I sent you a PM
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Old May 19th, 2019, 01:20 PM
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I have two, one is like 56, and other about 56 1/4 or 3/8. I think the 56 is a Cutlass, and the other is a 442.
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Old May 19th, 2019, 01:35 PM
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Originally Posted by 442Harv View Post
I have two, one is like 56, and other about 56 1/4 or 3/8. I think the 56 is a Cutlass, and the other is a 442.
Harv, if you would check the one that is longer than 56, it would be appreciated. There are 56's for sure, but only one 56-1/2. So many different combos for the different transmission, engine, and rear ends....
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Old May 19th, 2019, 02:09 PM
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Went and checked again. I would have to say, that they both are 56. One is bigger around, so I thought it was the 442 one. Also the bigger one has Spicer U joints, and the other one Sagnaw joints.
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Old May 19th, 2019, 04:40 PM
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Originally Posted by 442Harv View Post
Went and checked again. I would have to say, that they both are 56. One is bigger around, so I thought it was the 442 one. Also the bigger one has Spicer U joints, and the other one Sagnaw joints.
I sure appreciate you looking for me!!!
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Old June 1st, 2019, 12:55 PM
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bump up once more
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Old June 3rd, 2019, 07:48 AM
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Fleet Pride

An outfit known as Fleet Pride recently installed (3) U joints into a 2 piece truck driveshaft for my daily driver. Maybe? a good driveline shop in your area can help.
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Old June 3rd, 2019, 08:10 AM
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Originally Posted by newmexguy View Post
An outfit known as Fleet Pride recently installed (3) U joints into a 2 piece truck driveshaft for my daily driver. Maybe? a good driveline shop in your area can help.
That may be the route I'm going to have to take. I just like having the right parts in case there is ever a question or there's ever a need for repair, etc. This whole effort has got me so twisted, especially when I can get on Amazon and have a new one made to my exact specs for $229. There's a Fleet Pride in my area but only for parts, not service. I know of a shop I can go to - might even happen this afternoon. I just want my car safely on the road!
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Old June 3rd, 2019, 08:16 AM
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Amazon?!? Bezos "makes" driveshafts? I don't know if I'd trust them. Sorry I don't really know their business model, have only ordered from them once. And they came very close to screwing up. Maybe they can put you in touch with a vendor, with them being the middle man. Simply don't know.

Last edited by newmexguy; June 3rd, 2019 at 08:19 AM.
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Old June 3rd, 2019, 08:31 AM
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Originally Posted by newmexguy View Post
Amazon?!? Bezos "makes" driveshafts? I don't know if I'd trust them. Sorry I don't really know their business model, have only ordered from them once. And they came very close to screwing up. Maybe they can put you in touch with a vendor, with them being the middle man. Simply don't know.
Oh, yeah, it's just a vendor....
https://www.amazon.com/dp/B004GI2O8I/?coliid=I13HVLU9NGCOGS&colid=2BPBDJ6ND2KNO&psc=0 https://www.amazon.com/dp/B004GI2O8I/?coliid=I13HVLU9NGCOGS&colid=2BPBDJ6ND2KNO&psc=0
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