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  1. Treat Your Transmission. Ford 6.0L Powerstroke Transmission Cooler R&D, Part 3: Testing Data

    Treat Your Transmission. Ford 6.0L Powerstroke Transmission Cooler R&D, Part 3: Testing Data

    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
    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.

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  2. Treat Your Transmission. Ford 6.0L Powerstroke Transmission Cooler R&D, Part 2: Mishimoto Prototype

    Treat Your Transmission. Ford 6.0L Powerstroke Transmission Cooler R&D, Part 2: Mishimoto Prototype

    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
    Mishimoto 6.0 Powerstroke transmission cooler

    Mishimoto 6.0 Powerstroke transmission cooler
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  3. Treat Your Transmission. 6.0L Powerstroke Transmission Cooler R&D, Part 1: Factory Cooler Options

    Treat Your Transmission. 6.0L Powerstroke Transmission Cooler R&D, Part 1: Factory Cooler Options

    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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  4. Billet 6.0L Powerstroke Thermostat Housing R&D!

    Billet 6.0L Powerstroke Thermostat Housing R&D!

    If you follow our Ford Powerstroke 6.0L product line, you are aware of the high- and low-temperature thermostats we released last year. The high-temperature unit quickly became a customer favorite as a reliable way to improve engine operation, in-cabin heat, and fuel mileage. These benefits are particularly useful in the cold-weather months. Our low-temperature thermostat offers a lower recovery temperature compared to the factory unit, which can help keep coolant temperatures regulated during towing or when transporting heavy loads.

    During the release of the thermostats, we had numerous requests for a replacement housing. The factory housing is a casted piece, which isn't aesthetically pleasing, but it is easy to replace.

    Product Development

    Development began in a pretty simple fashion. We acquired an OEM housing and started capturing measurements so that we could reverse-engineer the piece.

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  5. The Mishimoto 2nd-Generation Cummins Intercooler, Part 4: Product Testing and Results

    The Mishimoto 2nd-Generation Cummins Intercooler, Part 4: Product Testing and Results

    Interested in picking up our 2nd Gen Cummins intercooler or intercooler pipe kit? Check out the product pages linked below!

    Dodge 5.9L Cummins Intercooler

    Dodge 5.9L Cummins Intercooler Pipe & Boot Kit

    After running into some testing issues (transmission problems) with one of our donor trucks, we began looking for a new truck to bring into the garage for data collection. We decided to target a modified truck, assuming those interested in our Cummins intercooler kit would better relate to any benefits we would see on something pushing more power. After putting out a request for local volunteers, we finally struck gold with a well modified 24V that was relatively local, and the owner was willing to make the drive to help us out.

    The Truck!

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  6. The Mishimoto 2nd-Generation Cummins Intercooler, Part 3: Prototype Evaluation and Test Fit

    The Mishimoto 2nd-Generation Cummins Intercooler, Part 3: Prototype Evaluation and Test Fit

    Interested in picking up our 2nd Gen Cummins intercooler or intercooler pipe kit? Check out the product pages linked below!

    Dodge 5.9L Cummins Intercooler

    Dodge 5.9L Cummins Intercooler Pipe & Boot Kit

    Mishimoto intercooler dyno testing
    Mishimoto intercooler dyno testing

    We included a teaser shot of our prototype cooler toward the end of our last update. Now it is time to provide a more in-depth look at our intercooler.

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  7. The Mishimoto 2nd-Generation Cummins Intercooler, Part 2: Factory Cooler Data and Mishimoto Design

    The Mishimoto 2nd-Generation Cummins Intercooler, Part 2: Factory Cooler Data and Mishimoto Design

    Interested in picking up our 2nd Gen Cummins intercooler or intercooler pipe kit? Check out the product pages linked below!

    Dodge 5.9L Cummins Intercooler

    Dodge 5.9L Cummins Intercooler Pipe & Boot Kit

    Cummins factory intercooler
    Cummins factory intercooler


    The factory inlet/outlet portions of this intercooler are quite interesting. They are shaped to route around the radiator support; however, this has a significant impact on the airflow through this part of the cooler. This bottleneck cannot be eliminated unless users want to grab the Sawzall and shred some steel. We will be

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  8. The Mishimoto 2nd-Generation Cummins Intercooler, Part 1: Project Intro and Factory Cooler Removal

    The Mishimoto 2nd-Generation Cummins Intercooler, Part 1: Project Intro and Factory Cooler Removal

    Interested in picking up our 2nd Gen Cummins intercooler or intercooler pipe kit? Check out the product pages linked below!

    Dodge 5.9L Cummins Intercooler

    Dodge 5.9L Cummins Intercooler Pipe & Boot Kit

    12V and 24V Cummins in shop
    12V and 24V Cummins in shop

    After being hounded by second-generation owners for months, our team decided it was time to fulfill their needs and develop an awesome intercooler upgrade for the 12V and 24V. We would be designing our cooler with a few key features that would set it apart from

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