Twin High Transmission accessory

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Doug Keppler
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Twin High Transmission accessory

Post by Doug Keppler » Tue Aug 20, 2019 7:30 pm

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Has anyone ever seen one of these?
1924 Touring car
There's No Substitute for Proper Lubrication

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Angmar
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Re: Twin High Transmission accessory

Post by Angmar » Tue Aug 20, 2019 7:55 pm

Very unique, what is the plan?
Still crankin old iron


Joe Bell
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Re: Twin High Transmission accessory

Post by Joe Bell » Tue Aug 20, 2019 8:05 pm

Just saw one the other day, Constantine has one, neat looking piece and light weight.


Les Schubert
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Re: Twin High Transmission accessory

Post by Les Schubert » Wed Aug 21, 2019 12:20 pm

Nice piece. I’ve thought about doing something a bit similar with a Laycock overdrive.

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Rich Eagle
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Re: Twin High Transmission accessory

Post by Rich Eagle » Wed Aug 21, 2019 12:35 pm

I've never seem or heard of one in 55 years of' T'ing.
This forum is full of surprises.
Thanks
Rich
When did I do that?


m2m
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Re: Twin High Transmission accessory

Post by m2m » Sun May 10, 2020 10:11 pm

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Joe Bell wrote:
Tue Aug 20, 2019 8:05 pm
Just saw one the other day, Constantine has one, neat looking piece and light weight.
Joe is correct. I have one that needs a rebuild. You could say it's a thinking man's Model T transmission (so Gary Norton in MI, it's certainly not for you monkey boy).
Here's some pics
.
Last edited by m2m on Sun May 10, 2020 10:23 pm, edited 1 time in total.


m2m
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Re: Twin High Transmission accessory

Post by m2m » Sun May 10, 2020 10:14 pm

20200510_191427.jpg


m2m
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Re: Twin High Transmission accessory

Post by m2m » Sun May 10, 2020 10:16 pm

[attachment=0]20200510_191447_HDR.jpg[/attachment
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m2m
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Re: Twin High Transmission accessory

Post by m2m » Sun May 10, 2020 10:17 pm

20200510_191459.jpg


m2m
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Re: Twin High Transmission accessory

Post by m2m » Sun May 10, 2020 10:19 pm

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m2m
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Re: Twin High Transmission accessory

Post by m2m » Sun May 10, 2020 10:22 pm

note gear teeth length varies
note gear teeth length varies
note gear teeth length varies
note gear teeth length varies


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Re: Twin High Transmission accessory

Post by RichardW » Sun May 10, 2020 10:43 pm

I would like to buy one. If anyone has one to sell, please let me know.

Thanks

Richard Williamson


Model T Tom
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Re: Twin High Transmission accessory

Post by Model T Tom » Mon May 11, 2020 5:21 am

I had one in my 13 speedster . Worked great but you can get it in neutral and it won't go back in until stopped . I did that on first ride put it in a ditch only hurting my pride .


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Re: Twin High Transmission accessory

Post by Jeepbone1 » Thu May 14, 2020 8:27 am

I’ve got the TT version going in my truck. Just painted it two nights ago. I’d also like to find another for parts just to have lying around.

Brad


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Re: Twin High Transmission accessory

Post by Jeepbone1 » Thu May 14, 2020 8:28 am

Here it is all painted up.
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Jeepbone1
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Re: Twin High Transmission accessory

Post by Jeepbone1 » Thu May 14, 2020 8:31 am

And before.
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Re: Twin High Transmission accessory

Post by m2m » Tue May 19, 2020 8:29 pm

Jeepbone1 wrote:
Thu May 14, 2020 8:27 am
I’ve got the TT version going in my truck. Just painted it two nights ago. I’d also like to find another for parts just to have lying around.

Brad
[/quote

That's not the TT version of the Twin-High, you have the "Twin-High Hi-Lo type" a completely different animal.

"Twin-High Hi-Lo type" was only made for TT and was rear mounted. The Twin-High came in both car and TT versions and was a light weight front mounted unit.


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Re: Twin High Transmission accessory

Post by Dennis Prince » Tue May 19, 2020 9:43 pm

I have a TT with a Twin-High Hi Lo type and would like to know more about it, like are parts available for it? and those with any experience with one is it noisey and do they shift easily? I bought the truck because of it and haven't gotten it running. I have been keeping my eyes open for doors, if I can find 4 doors I want to build a crew cab.


m2m
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Re: Twin High Transmission accessory

Post by m2m » Wed May 20, 2020 12:57 am

Dennis Prince wrote:
Tue May 19, 2020 9:43 pm
I have a TT with a Twin-High Hi Lo type and would like to know more about it, like are parts available for it? and those with any experience with one is it noisey and do they shift easily? I bought the truck because of it and haven't gotten it running. I have been keeping my eyes open for doors, if I can find 4 doors I want to build a crew cab.
Note that the Twin-High Hi Lo type tranny was also made for the worm drive AA.


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Re: Twin High Transmission accessory

Post by Jeepbone1 » Wed May 20, 2020 7:55 am

Dennis Prince wrote:
Tue May 19, 2020 9:43 pm
I have a TT with a Twin-High Hi Lo type and would like to know more about it, like are parts available for it? and those with any experience with one is it noisey and do they shift easily? I bought the truck because of it and haven't gotten it running. I have been keeping my eyes open for doors, if I can find 4 doors I want to build a crew cab.
I’ve seen two slightly versions of the one I have. Assuming yours is one of those, no parts are not available. If you’re good with a micrometer, you should be able to match up the bearings with new replacements. Mine were in nice shape and the races looked almost brand new. It was just all sludged up. if you plan to go through it, here’s what I did. Separating the unit from the torque tube and driveshaft is a Royal PITA. You just have to remove the u joint pin and u joint, take out the two clamping bolts from the front of the trans. Slide the torque tube off the drive shaft. There is then a pin holding the drive shaft to the input of the trans that took me a solid hour and a half to get that out alone. It’s smooth sailing from there. Six bolts are holding it to the rear axel like a normal torque tube. The shifters come out without much fuss. There ten 3/8” bolts holding the case together. Four are 1”, four are 4” and two are 4-1/2” all should have a 9/16” head. Now is where I suggest taking pictures and remembering orientation. One slider pulls out of the back no problem. Once it’s split into thirds, you can do the bulk of your cleaning with brake cleaner to knock most of the gunk off. Then the front has a 1-1/16 nut with a cotter pin. Once that’s removed, start taking pictures because it can get to be a whole lot real quick. Everything should slide apart from there. After that, throw it back together, make some gaskets, squirt some paint for effect and you’re golden. Time consuming but probably worth the peace of mind that it’s solid. Mine shifted pretty easy but I also only shifted it while turning the motor over by hand. Any noise would probably be attributed to bearing/gear wear. Like I said before, the guts in mine are pretty nice so I don’t expect much problem.


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Re: Twin High Transmission accessory

Post by Dennis Prince » Wed May 20, 2020 10:17 am

Thanks Constintine and Brad, this project is still a ways down the list but glad to know more about it. Dennis


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Re: Twin High Transmission accessory

Post by OilyBill » Sun May 24, 2020 1:42 am

That's a really impressive accessory! Looks like it was well engineered!


RichardW
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Re: Twin High Transmission accessory

Post by RichardW » Sun May 24, 2020 8:34 am

I want one if anyone has one to sell.

Thanks

Richard

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