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  1. Next Generation Cooling - Transmission Cooler R&D, Part 1: Stock Review

    Next Generation Cooling - Transmission Cooler R&D, Part 1: Stock Review

    This 1994-2002 Dodge Ram 5.9L Cummins Transmission Cooler is now available! Click here to check it out!

    1994 was an eventful year.  Nelson Mandella became the president of South Africa, OJ Simpson gave the Ford Bronco some free air-time, and Dodge released the 2nd generation Ram pickup that would define the brand for the next thirteen years.

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    Breaking the blocky, sedan-like mold poured by their competitors' previous generations, the designers of the second-generation Ram looked to the trucks of the 1950's to design an edition that stood out with just the right amount of bravado.  With its rolling fenders and massive front grille, little of the first-generation Ram remained when Dodged revealed the 1994 model. What did remain, however, was the option of getting your workhorse

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  2. Cool Under the Blue Collar - Radiator R&D, Part 1: Intro

    Cool Under the Blue Collar - Radiator R&D, Part 1: Intro

    When I was growing up, rural Pennsylvania wasn't exactly the breadbasket of America, but there were some mirrors between the two. For every field, of which there were many, there was a farmer. For every new building, there was a contractor. Each small town, connected by the twisting back roads, had its own set of mechanics, builders, and craftsmen. And, for each of those hard-working men and women, there was a truck that worked just as hard.

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    The legendary reliability and power of the Dodge Ram has solidified the 2500 and 3500 as the preferred truck of many blue-collar Americans and their counterparts around the world. Whether it be hauling a bed full of lumber or a trailer loaded with ten tons of equipment, these trucks do work. The fourth-generation Ram is no exception to that mentality. With its bulky shoulders,

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  3. 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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  4. 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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  5. 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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  6. 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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