Ford 6.0L Powerstroke Transmission Cooler 2003-2007
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It's now time to install our prototype and put some data behind the efficiency differences we expect to see between our cooler and the factory heat exchanger. We did add a substantial amount of core surface area, so we anticipate that heat transfer will improve during a load test. Check out this shot of the Mishimoto 6.0L transmission cooler installed!

Mishimoto 6.0 Powerstroke transmission cooler installed
Testing Process
We have numerous tools at our disposal to test heat exchangers. For this one, we will be using our Dynapack™ dynamometer. With a transmission cooler test, we want to apply some load on the vehicle to ensure that stress is created within the drivetrain. We
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Now that we have designed our 6.0L transmission cooler prototype in SolidWorks®, our team has begun work on constructing our first prototype. We will be using this prototype to verify fitment on our truck and perform heat-soak testing to determine any cooling benefits provided by the larger core size.
Mishimoto 6.0L Transmission Cooler Prototype
Check out a couple shots of our first prototype unit!

Mishimoto 6.0 Powerstroke transmission cooler
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Yes, that's right, we are not quite done with product development for the 6.0L Powerstroke. Although these trucks are getting older, our team is finding more and more ways to enhance and improve them.
The factory-equipped 6.0 transmission cooler is relatively stout. In fact, swapping this cooler into the 7.3L is a pretty common upgrade. That said, we think we can provide even greater cooling efficiency and offer an upgrade for 6.0L and 7.3L trucks that tow heavy loads.
Factory Cooler Options
From 2003 to 2007, the 6.0L came from the factory with two different cooler options, a 26-row cooler and a 31-row cooler. Mounting and line connections were similar on both.
Our shop truck came equipped with the 26-row unit, so we ordered the 31-unit cooler as well for data collection.
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