Question about the tranny cooler on 6 liter trucks - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 12-07-2012, 07:34 PM Thread Starter
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Question about the tranny cooler on 6 liter trucks

I have not been around many six liter powered SuperDuties so I do not know about what they have. I was at a shop today that was swapping in a new six liter. On the ground was the radiator and a huge tranny cooler. This thing was like two feet by two feet. I am wondering if this cooler is only on certain models. Is there a special reason for such a huge cooler? I have cooled my E4ODs with much smaller coolers and put them through a lot of abuse. I am wondering what the benefit if to suck a huge cooler.
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post #2 of 11 Old 12-07-2012, 07:52 PM
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All the F-series with a 6.0 come with a 30 row trans cooler. 7.3's came with a 12 row. Bigger is always better on trans coolers.

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post #3 of 11 Old 12-07-2012, 08:22 PM
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All the F-series with a 6.0 come with a 30 row trans cooler. 7.3's came with a 12 row. Bigger is always better on trans coolers.
thanks for the info, i never knew that... would an aftermarket one be worth buying or is the stock one strong enough

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post #4 of 11 Old 12-07-2012, 08:30 PM
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thanks for the info, i never knew that... would an aftermarket one be worth buying or is the stock one strong enough
I've had 18k behind my truck and never gotten over 175 with the stock cooler. I'm gonna put a deeper aluminum pan on to get the extra capacity and a little cooler temp. Never had an issue with stock though.

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post #5 of 11 Old 12-07-2012, 08:39 PM
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Originally Posted by dhanna6powerstroke View Post
I've had 18k behind my truck and never gotten over 175 with the stock cooler. I'm gonna put a deeper aluminum pan on to get the extra capacity and a little cooler temp. Never had an issue with stock though.
i didn't think so.. only time I've heard of upgrades was when someone had a pull truck

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post #6 of 11 Old 12-08-2012, 03:54 AM
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Originally Posted by dhanna6powerstroke View Post
I've had 18k behind my truck and never gotten over 175 with the stock cooler. I'm gonna put a deeper aluminum pan on to get the extra capacity and a little cooler temp. Never had an issue with stock though.
Not sure if you will actually see cooler temps going deeper in the pan.

Since these trannies have a "T-stat" in them. Towing, I bet you will still see those temps.

But, will be interested in what you do end up seeing.
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post #7 of 11 Old 12-08-2012, 06:28 PM Thread Starter
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I have a Mag Hightech pan and some comercial style coolers on my OBS. AFter that I can pull our horse trailer even with my 22.5 adapters and the tranny stays nice and cool. However, I am considering using one of those huge coolers from a six liter. After doing some more reading it would appear they work with the T-stat though. So it is my understanding that I would not be better off using one. Am I correct?
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post #8 of 11 Old 12-08-2012, 10:11 PM
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Quote:
Originally Posted by Lonesome7.3 View Post
I have a Mag Hightech pan and some comercial style coolers on my OBS. AFter that I can pull our horse trailer even with my 22.5 adapters and the tranny stays nice and cool. However, I am considering using one of those huge coolers from a six liter. After doing some more reading it would appear they work with the T-stat though. So it is my understanding that I would not be better off using one. Am I correct?
The thermostat isn't in the cooler itself. You would greatly benefit from the upgrade.

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post #9 of 11 Old 12-09-2012, 03:24 PM Thread Starter
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Then what what is the point in the T-stat?
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post #10 of 11 Old 12-09-2012, 05:07 PM
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Then what what is the point in the T-stat?
Not sure. All i know is that 90% of the fluid never makes it to the cooler until the temp reaches 165.

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