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selling a ball & trunion conversion
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jboymechanic
Posted 2013-07-20 10:48 PM (#386680)
Subject: selling a ball & trunion conversion



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Posts: 2196
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Location: Muskego, WI
I've also listed this ad in the classified section:

I have a parking brake drum and 1310 u joint flange that have been modified to work together. I had originally made this setup on the left to convert my Imperial to a modern and readily available front u joint, but then I decided I wanted the cleaner look of the conversion on the right in the picture below. Many of the Imperials, Chryslers and DeSotos used a large from u joint that is an odd size that is no longer available. New joints of the required size are no longer made and NOS ones are difficult to find. Here is your solution. I used a CNC mill to machine down the portion of the trans brake drum that accepts the u joint until I had two nice flat surfaces. I then used the CNC mill to machine the matching bolt pattern of the brake drum into the 1310 u joint flange yoke. Although I have no doubt it would work nicely, I decided I didn't think the conversion was clean enough looking. Thats when I put together the unit on the right. Any way, I have about $100 and a few hours time in this setup, but I have no need for it so I'd let it go for $50 plus shipping. You can call or email me with questions.

Jon Ludtke
262-716-4865
jboymechanic@yahoo.com

 photo photo_zps6bd23b2e.jpg
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jimntempe
Posted 2013-07-20 11:34 PM (#386686 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Any idea of it would fit a 60 dodge matador?
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jboymechanic
Posted 2013-07-21 2:35 PM (#386761 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Location: Muskego, WI
I don't know for sure but probably. The drum pictured was originally from a 1957 Chrysler New Yorker, I purchased the drum on the right from Big M and I asked for one identical to his 1959 Plymouth and the original drum on my 1956 imperial all interchange on my 1956 TF. The only differences between the drums is what type of joint mates to them.
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rbmain
Posted 2013-07-21 6:01 PM (#386794 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Spicer makes the correct ones that fit right, in two sizes. Larger for Chrysler and smaller for Dodge/Plymouth. Drive your Mopar into your local driveshaft shop for a free consultation and quote. (You can't do that with any other part of the car, but driveshafts are still pretty much timeless.)

Edited by rbmain 2013-07-21 6:03 PM
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jboymechanic
Posted 2013-07-21 9:49 PM (#386828 - in reply to #386794)
Subject: Re: selling a ball & trunion conversion



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Posts: 2196
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Location: Muskego, WI
rbmain - 2013-07-21 5:01 PM

Spicer makes the correct ones that fit right, in two sizes. Larger for Chrysler and smaller for Dodge/Plymouth. Drive your Mopar into your local driveshaft shop for a free consultation and quote. (You can't do that with any other part of the car, but driveshafts are still pretty much timeless.)


That may be so for most cars, but I can tell you from personal experience that is not the case with Imperials, Chryslers and DeSotos where the u joint attaches directly to the integrated drum/yoke assembly. I've been through all of Spicer's, Rockford's, and Power Train Industries' catalogs and I couldn't find a single yoke that would simply bolt up. The flange in the picture is a Rockford unit, I forget the part number. The easy way to convert on the larger cars is just what I've done; get a trans brake drum off another car, like a Dodge or Plymouth, with a flat surface and bolt pattern that will accept an off the shelf flange yoke from one of the suppliers previously mentioned. But, since I have an alternate method, which was the result of my own research and development, I'd hate for it to go to waste. I didn't make the discovery of the fact that the trans brake drums were interchangeable until I had already made my unit.
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GregCon
Posted 2013-07-21 10:42 PM (#386842 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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I can't really tell what you did in the mahcine shop, but FWIW I have a Spicer in my 58 Chrysler that fit with no issues.



(DSC01221.JPG)



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Attachments DSC01221.JPG (81KB - 233 downloads)
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jboymechanic
Posted 2013-07-22 8:41 AM (#386909 - in reply to #386680)
Subject: RE: selling a ball & trunion conversion



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Location: Muskego, WI
Greg, you have the same drum as pictured on the right in my original post. Below is what the brake drum looks like off many of the Imperials, Chryslers and DeSotos.

Edited by jboymechanic 2013-07-22 8:44 AM




(TF drum yoke 006.JPG)



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Attachments TF drum yoke 006.JPG (107KB - 218 downloads)
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jboymechanic
Posted 2013-07-22 8:47 AM (#386911 - in reply to #386680)
Subject: RE: selling a ball & trunion conversion



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Posts: 2196
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Location: Muskego, WI
Also, the yoke I used was a Rockford R2-2-3102. I had modeled representative part in CAD and used it to machine in the Imperial's trans brake drum bolt pattern. Open the attached pdf to see the modified part drawing.

Edited by jboymechanic 2013-07-22 8:49 AM




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Attachments Rockford R2-2-3102.pdf (21KB - 248 downloads)
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rbmain
Posted 2013-07-22 9:46 AM (#386919 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Here's mine. 56 Plymouth with stock BW overdrive and a 56 Chrysler rear end. (A driveshaft shop will help you even with a 50's Mopar.)

Edited by rbmain 2013-07-22 9:54 AM




(20130226_114352.jpg)



(20130226_114407.jpg)



(20130226_114554.jpg)



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Attachments 20130226_114352.jpg (206KB - 213 downloads)
Attachments 20130226_114407.jpg (231KB - 191 downloads)
Attachments 20130226_114554.jpg (171KB - 284 downloads)
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GregCon
Posted 2013-07-22 12:32 PM (#386946 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Location: Houston
Oh, I see - the yoke was integral with the brake drum.
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jboymechanic
Posted 2013-07-22 3:38 PM (#386980 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Location: Muskego, WI
Some times I think Chrysler just wanted to see how many variations of a particular type of part they could make.

Edited by jboymechanic 2013-07-22 3:41 PM
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GregCon
Posted 2013-07-22 9:34 PM (#387100 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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I consider the late 60's to be a high point in auto design in most ways, at least for 30 years. One of the things I like about the '58 I have is you can see Chrysler's design efforts really forming into what they became in the late 60's. Some ideas were kept, other were improved, and others were tossed. But that's how it's supposed to work - things get better with time and experience.

It's kinda funny to me to talk to younger people who grew up in an era where very year the cars get better - they have no concept of people keeping their older cars because the newer ones sucked. I remember well in the 80's lots of people would hang on to their 60's and early 70's cars because they knew what was waiting for them at the dealer.
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jboymechanic
Posted 2013-08-11 9:55 PM (#390804 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Posts: 2196
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Location: Muskego, WI
Still for sale, hope somebody can put it to good use.
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jboymechanic
Posted 2013-08-15 8:39 AM (#391386 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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Posts: 2196
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Location: Muskego, WI
SOLD.
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J97_Imperial
Posted 2016-07-21 12:01 AM (#517226 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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What is the part number of the flange you used on the right drum in your first picture jboy? My 57 chrysler has the 4 inch pilot hole and I need the correct flange for the driveshaft end. I already have a 1310 series slipyoke instaled and all I need is the flange.

Jacob
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60 dart
Posted 2016-07-21 4:03 AM (#517232 - in reply to #386680)
Subject: Re: selling a ball & trunion conversion



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try these people

http://www.driveshaftspecialist.com/Left-Column/Antique-Classics.ht...
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