thebeebe5 Posted September 9, 2017 Report Share Posted September 9, 2017 Just about the last thing to install on this transmission, but I cannot find a source. Not listed at Bernbaum's. Anyone know where to find one? The one (original?) I have is hardened and i expect it to break upon reinstall.... Part No 29 in this schematic. Quote Link to comment Share on other sites More sharing options...
busycoupe Posted September 9, 2017 Report Share Posted September 9, 2017 I have never replaced one, but perhaps an appropriately sized O-ring would work. Quote Link to comment Share on other sites More sharing options...
Mortimer452 Posted September 9, 2017 Report Share Posted September 9, 2017 Check Ace Hardware plumbing section, they usually have a wall full of O-rings in just about every size you can imagine, I bet you can find something there that will work. Bring the old seal in with you to compare. Quote Link to comment Share on other sites More sharing options...
Desotodav Posted September 9, 2017 Report Share Posted September 9, 2017 I found some at a local seals shop here in Oz for my truck/s. PM me if you cant find them in USA and I will post one over to you. Quote Link to comment Share on other sites More sharing options...
Jerry Roberts Posted September 9, 2017 Report Share Posted September 9, 2017 (edited) I found one DCM Clsssics ( Dodge Central of Michigan ) when the o-ring I tried didn't work very well . $5.50 part number G-758 in their on line catalog . Edited September 9, 2017 by Jerry Roberts 1 Quote Link to comment Share on other sites More sharing options...
Frank Elder Posted September 9, 2017 Report Share Posted September 9, 2017 1 hour ago, Jerry Roberts said: I found one DCM Clsssics ( Dodge Central of Michigan ) when the o-ring I tried didn't work very well . $5.50 part number G-758 in their on line catalog . like Quote Link to comment Share on other sites More sharing options...
thebeebe5 Posted September 10, 2017 Author Report Share Posted September 10, 2017 4 hours ago, Desotodav said: I found some at a local seals shop here in Oz for my truck/s. PM me if you cant find them in USA and I will post one over to you. Desoto, might do that, pal! Let me see what I can score state-side first. 3 hours ago, Jerry Roberts said: I found one DCM Clsssics ( Dodge Central of Michigan ) when the o-ring I tried didn't work very well . $5.50 part number G-758 in their on line catalog . We discussed an o-ring today before I posted and decided it likely wouldn't last very long. Thanks for the validation. I will definitely look up the part you mentioned. Thanks!! Quote Link to comment Share on other sites More sharing options...
Desotodav Posted September 10, 2017 Report Share Posted September 10, 2017 I think that the seals which I found were made for hydraulic oil fittings. They were only about $1. It does look like similar to that G-758 from DCM. I found that my original seal had gone rock hard as well. I would be interested to know what diff ratio you are running in your car... and how many teeth are on your speedo gear drive. I have been looking for an option to make the speedo in my 52 truck accurate again after I install the 3.54 diff. Also, is that speedo gear drive you pictured from your P4?... as it does look to be a match for my truck one. I would rather find a gear drive from a car rather then installing an in-line mechanical correcting mechanism. I have 7 or 8 spare (3 speed) truck gearboxes at my shed, so knowing the correct teeth count would be a good start. Quote Link to comment Share on other sites More sharing options...
medium_jon Posted September 10, 2017 Report Share Posted September 10, 2017 @Desotodav wow that is a lot of spare gearboxes Quote Link to comment Share on other sites More sharing options...
thebeebe5 Posted September 10, 2017 Author Report Share Posted September 10, 2017 10 hours ago, Desotodav said: I think that the seals which I found were made for hydraulic oil fittings. They were only about $1. It does look like similar to that G-758 from DCM. I found that my original seal had gone rock hard as well. I would be interested to know what diff ratio you are running in your car... and how many teeth are on your speedo gear drive. I have been looking for an option to make the speedo in my 52 truck accurate again after I install the 3.54 diff. Also, is that speedo gear drive you pictured from your P4?... as it does look to be a match for my truck one. I would rather find a gear drive from a car rather then installing an in-line mechanical correcting mechanism. I have 7 or 8 spare (3 speed) truck gearboxes at my shed, so knowing the correct teeth count would be a good start. DD, this is a 17T gear. Not sure what the rear ratio is on the car but I assume it's stock and I'm guessing there weren't a lot of options way back then? I'll find out at some point, but I just haven't gotten that far yet. Quote Link to comment Share on other sites More sharing options...
Frank Elder Posted September 10, 2017 Report Share Posted September 10, 2017 A 17 tooth gear on a d-24 club coupe is 3.9 to 1. 1 Quote Link to comment Share on other sites More sharing options...
Desotodav Posted September 10, 2017 Report Share Posted September 10, 2017 6 hours ago, medium_jon said: @Desotodav wow that is a lot of spare gearboxes I had a few extra trucks a while back that were too bad to save, so I ended up with a few spare parts! 4 hours ago, thebeebe5 said: DD, this is a 17T gear. Not sure what the rear ratio is on the car but I assume it's stock and I'm guessing there weren't a lot of options way back then? I'll find out at some point, but I just haven't gotten that far yet. 17 teeth is interesting. You caused me a great deal of work yesterday as I got to wondering how many teeth were on mine... I pulled 8 of them from the transmissions and they were all 15 teeth (part # S916416) - which is correct for a number of vehicles running a 3 speed with a 4.1 ratio diff and 16" wheels. I suspect that the pinion drives in the other 3 vehicles are the same, so I wont bother pulling them. I'm off to visit my instrument repair fella today to see if he can offer information as to whether I can change out pinion drive and gear sets in the transmission to allow for an accurate speedo after a 4.1 to 3.54 diff swap. I may have to look at a mechanical corrector like Joe did on the truck side. 2 Quote Link to comment Share on other sites More sharing options...
Frieda PJ Posted June 28, 2018 Report Share Posted June 28, 2018 Did anyone ever offers definitive answer to this question? I am looking for this seal for my 1935 PJ. Thanks. Quote Link to comment Share on other sites More sharing options...
Desotodav Posted June 28, 2018 Report Share Posted June 28, 2018 1 hour ago, Frieda PJ said: Did anyone ever offers definitive answer to this question? I am looking for this seal for my 1935 PJ. Thanks. Were you looking for the small rubber seal?.. see post #5 of this thread as Jerry said he got his from DCM Classics. i an picking up the 3.54 diff for my 52 truck this morning as I have dinally got around to doing the 4.1 to 3.54 conversion. I have an adaptor to bolt between the speedo cable and the transmission to correct the travelled speed. Quote Link to comment Share on other sites More sharing options...
Jerry Roberts Posted June 28, 2018 Report Share Posted June 28, 2018 (edited) 2 hours ago, Frieda PJ said: Did anyone ever offers definitive answer to this question? I am looking for this seal for my 1935 PJ. Thanks. On the thread of the beebes engine / transmission rebuild , he mentioned that he had to machine his speedometer drive pinion sleeve to accept the seal from DCM Classics . Edited June 28, 2018 by Jerry Roberts Quote Link to comment Share on other sites More sharing options...
JBNeal Posted June 29, 2018 Report Share Posted June 29, 2018 (edited) additional information - Speedometer Cable Pinion Seal Edited October 17, 2019 by JBNeal revised link Quote Link to comment Share on other sites More sharing options...
thebeebe5 Posted June 29, 2018 Author Report Share Posted June 29, 2018 Yes, DCM classics for the part. Had to machine depth and width for the seal. Here's the link I thought I already posted, but apparently it went to some other thread, and how that happened I'm still confused. But, I haven't had my coffee yet this morning.... ? http://p15-d24.com/topic/43897-time-for-an-overhaul/?page=10&tab=comments#comment-504019 Quote Link to comment Share on other sites More sharing options...
Frieda PJ Posted June 29, 2018 Report Share Posted June 29, 2018 Thanks everyone for your input..... Quote Link to comment Share on other sites More sharing options...
Jerry Roberts Posted June 30, 2018 Report Share Posted June 30, 2018 Frieda , The beebe5 trans is a 1937 Plymouth , yours is a 1935 Plymouth trans , my trans is a 1941 Plymouth truck trans . The seal from DCM fits nicely in my trans . Quote Link to comment Share on other sites More sharing options...
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