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Transmission cooler

       Hot-Rod Internet Bench Racing Forum Index -> Engine and Drivetrain
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32 coupe

Posted: Sat Sep 06, 2020 4:43 pm    Post subject: Transmission cooler

I am looking for a place to mount my trans cooler & was hoping to mount it under the chassis of my 34 coupe.
Will it get enough air flow or will the trans run to hot?
The trans is a turbo 700r4 , engine is a mild 350 TPI.
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Joined: 02 Apr 2021
Posts: 888
Location: Melbourne

Posted: Sat Sep 06, 2020 11:51 pm    Post subject:

My a bone had the trans cooler mounter under the body between the chassis rails, seemed to work ok. but I was always sceptical about the heat from the exhausts, and whether there was enough air flow happening around there. Doesnt help I guess, but it did seem to work ok, and its about the only place to mount it!

Flatheads Forever!
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Just Idling

Joined: 15 Sep 2020
Posts: 123
Location: Gympie, Queensland

Posted: Sun Sep 07, 2020 6:27 am    Post subject:

Mate , I put my tranny cooler up under the floor between the rails and it works great. But its one of those ultra thin radiator type coolers. Can't think for the life of me what the brand was, but its supposed to be as efficent as 3 of the old "S" type tube coolers and its only about seven or eight inches square and 1/2" thick making it easy to fit.

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Joined: 14 Jun 2021
Posts: 936
Location: Georges Hall, NSW

Posted: Tue Sep 09, 2020 9:55 am    Post subject:

I'm plannong on using one of those new type finned coolers and mount that somewhere under the floor. The specs seem to be impressive on their performance. I know that CSR have them and are available elsewhere as well.
See ya
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Joined: 27 Jan 2021
Posts: 10
Location: perth

Posted: Tue Jan 27, 2021 1:06 am    Post subject:

It should'nt be a problem to mount it up agaist the floor but if you are going to be towing a trailer around i would suggest mounting it were it would get more air flow
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fc ute

Joined: 16 Jun 2021
Posts: 81
Location: perth western australia

Posted: Tue Jan 27, 2021 1:43 am    Post subject:

i have seen ads for transmission pans with tubes inside the pan but open to the outside at the front and back, allowing air to flow through the tubes thus cooling the fluid.
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Joined: 18 Sep 2020
Posts: 36
Location: Canberra

Posted: Tue Jan 27, 2021 11:09 pm    Post subject:

32 coupe" You could mount it between the rails, at an angle so it catches the breeze, then mount one or two fans on it depending on it's size. Either have the fans ON whenever the engine is running or have them temperature controlled.
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Joined: 24 Oct 2020
Posts: 7
Location: Sydney

Posted: Wed Jan 28, 2021 12:56 pm    Post subject:

You have the same set up as my 34 coupe . I have one of those oil coolers/thermofan combo units mounted under the passenger side of the chasis. Thermo is in between floor and oilcooler and is switched on when the ignition is on. Seems to work fine.
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Posted: Mon Feb 09, 2021 11:02 pm    Post subject:

Along the same lines: anybody know how to estimate the size of cooler required for a given tranny? I am using a C4 and no in-radiator cooler. Engine is a mild 302 so the c4 wont need to work very hard.
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Joined: 07 May 2021
Posts: 591

Posted: Tue Feb 10, 2021 9:11 am    Post subject:

I use a simple rule here guest,look at the standard cooler ex factory in the bottom tank of the radiator,anything larger,with some air flow around it has to be better.........Frank.
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