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New driveshaft


Jim Yergin

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Just picked up my new driveshaft with U-Joints. One of the trunnions on my original one went bad so I decided to make the change. I took Pete Anderson's parts list (thanks Pete) to a local shop and they made this for me:

driveshaft.jpg

It cost $375. I checked with Joe McGinnis first and he has had to raise his price to $425 plus shipping so I saved some money having it done locally. If nothing else I have three more grease fittings on my car.

Now it is time to get back on the road.

Jim Yergin

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I have no problem with the original driveshaft as far as performance. They are strong and durable. The issue to me is the maintenance on the dust boots and the cost of replacement ball and trunnion joints. On my car I made an adapter to make the shaft reach the new rear I installed. When my shaft needs repair next I think I will invest in a new shaft like Jim had made rather than spend the money on the old style joints and boots. Plus I can then get rid of my home-made adapter.

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How do you set up your emergency brakes when you switch to a new style driveshaft?

Same as you did it before. The parking brake has nothing to do with the driveshaft. Its either on the trans or rear end.

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Drove the car for the first time today with the new driveshaft. What a pleasure. That failing trunnion had really made it noisy to drive. The new driveshaft and the relaxed RPMs with my now operational overdrive really adds to the pleasure of driving the car. I have to go to Richmond tomorrow (about 100 miles). Had hoped to drive the woodie but the forecast is for thunderstorms so probably take the modern car.

Jim Yergin

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  • 3 months later...
So there's a big difference between this and the stock driveshaft? I haven't got that far with my own project.

In good operating condition, I think both are good.

In the late 1970s I had trouble finding parts to fix my original so I had a drive shaft custom made with then modern U-joints. I guess when I later took everything apart for restoration I didn't store it correctly and it got damaged. Anyway I had a drive line vibration that process of elimination finally got me to the drive shaft. So I ended up getting the parts to fix the original drive shaft I'd kept all those years. Runs nice and smooth with the original now.

Big difference is that it is harder to get parts for the original style and if the boots get damaged and dirt gets in they fail very rapidly. Just like a modern CV joint will fail rapidly if the boot gets damaged.

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I did a search online and found a Texas company that builds driveshafts for our old cars and trucks.

Here is the link www.driveshaftspecialist.com

They quotes me a price for my 39 Desoto that has the Pin and Trunion at both ends of the driveshaft. They use the spicer parts.

Cost $438 and approx $45 to ship to me in valley forge Pa.

This is about the same cost that I am getting around locally.

I also had another thought regarding the leather boot issue. I found one of these with the leather cone already build into the boot. This was an original and the number matched correctly. I found this at Hershey this fall.

Since most modern cars now have frontwheel drive and use the CV joint we should beable to find a rubber boot that might be a little longer than the new replacement boot from the 50's and then clamp the new more modern synthtic boot onto both ends of the housing and driveshaft with the newer style hose clamps or even the plastic ties.

HAs anyone ever investigated this possibilty. I currently have several of the Old Trunion housing and the repair kits so the cost of repairing is minor versus the cost of a new shaft. What is everyones opinion.

Rich Hartung

Desoto1939@aol.com

Rich HArtung

desoto1939@aol.com

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where do i find this parts list. i cant seen to find it.

I have a '50 B-2-D that needs a new-rebuilt driveshaft. the shop I took it to said that they couldnt help me. No parts avaliable for it. Thanks for any help

Randy

Check out this thread, posts #7 and #9.

http://www430.pair.com/p15d24/mopar_forum/showthread.php?p=270317#post270317

Jim Yergin

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