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  1. Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 6: Final Results and Product Conclusion

    Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 6: Final Results and Product Conclusion

    Interested in purchasing this Duramax Intercooler? Check out our product page for more information!

    Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler Kit

    With our testing complete, it was time to recap the results and see what kind of benefits our cooler was capable of producing. The testing procedures and information from our previous posts are outlined below.

    Testing Procedures and Information

    Vehicle: 2011 Chevrolet 2500 6.6L LML Duramax

    Engine Modifications: None, all factory equipped

    Ambient Temperature: 85°F (29.5°C)

    Humidity: 35%

    Sensors: PLX Pressure and temperature sensors were placed on both the hot-side and cold-side intercooler boots.

    Physical Benefits

    Before we jump right into the testing data, let's compare the physical aspects of our intercooler design that distinguish our unit from the factory cooler.

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  2. Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 5: Prototype Testing

    Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 5: Prototype Testing

    Interested in purchasing this Duramax Intercooler? Check out our product page for more information!

    Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler Kit

    Product Testing and Procedures

    The fun part of development is the reveal of our initial prototype design, but the truly exciting part is the testing portion of development. At this point our offices are disrupted by noise from the dyno pulls, tempting a few of our empolyees to filter into the garage and check out the action. Below we see the truck loaded onto the dyno.

    LML test truck on dyno
    LML test truck on dyno

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  3. Mishimoto 2010-2012 Dodge 6.7L Cummins Intercooler, Part 5: Testing Results and Project Conclusion

    Mishimoto 2010-2012 Dodge 6.7L Cummins Intercooler, Part 5: Testing Results and Project Conclusion

    Interested in purchasing this Cummins Intercooler? Check out our product page for more information!

    Mishimoto Dodge 6.7L Cummins Intercooler

    Finally, the results are in! The testing of our 2010-2012 Cummins Performance Intercooler is complete. After months of development and weeks of testing, our team was extremely excited to crunch the numbers to see how our cooler compared to the stock unit. Before we jump into the actual data pulled from our dyno pulls, we will first compare the physical attributes of the Mishimoto cooler to the stock unit.

    Intercooler Physical Comparison

    First, our comparison of overall thicknesses of the stock and Mishimoto cores. This difference was displayed in an earlier post where we showed the actual measurements.

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  4. Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 4: Prototype Test Fit

    Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 4: Prototype Test Fit

    Interested in purchasing this Duramax Intercooler? Check out our product page for more information!

    Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler Kit

    Prototype Test Fitting

    Time to see if this massive intercooler fits! Our prototype design was based on critical dimensions taken from a test vehicle so we could expand the cooler as much as possible without causing fitment concerns. Let's see if we succeeded on our first attempt!

    The radiator and intercooler are thicker than the factory units, so we bolted the intercooler prototype to the new Mishimoto radiator prototype. Now attached to each other, we installed them together for the benefit of those customers who would want to purchase both components.

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  5. Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 3: Prototype Design

    Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 3: Prototype Design

    Interested in purchasing this Duramax Intercooler? Check out our product page for more information!

    Mishimoto Chevrolet/GMC 6.6L Duramax Intercooler Kit

    Prototype 3D Design

    Now that we outlined our project goals and had all the test data from the factory intercooler, our engineers were ready to design a prototype intercooler. Using dimensional data from a rendering of the truck as well as the actual measurements we took from the test vehicle and factory intercooler, our team was able to create a very nice looking prototype. Check out a couple renderings of the design!

    Mishimoto prototype intercooler rendering
    Mishimoto prototype intercooler rendering
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  6. Mishimoto 2010-2012 Dodge 6.7L Cummins Performance Aluminum Radiator, Part 4: Physical Comparison, Testing Explanation, and Project Close

    Mishimoto 2010-2012 Dodge 6.7L Cummins Performance Aluminum Radiator, Part 4: Physical Comparison, Testing Explanation, and Project Close

    Interested in purchasing this Cummins radiator? Check out our product page for more information!

    Mishimoto Dodge 6.7L Cummins Aluminum Radiator

    Alright, it is finally time to see how our engineering team did with the development of this product! First, we measured the physical properties of the Mishimoto radiator compared to the factory radiator. Our first chart highlights the most common selling feature of a performance radiator: core thickness.

    Mishimoto vs. factory radiator core thickness
    Mishimoto vs. factory radiator core thickness

    We squeezed out as much additional core thickness as possible without causing any fitment concerns with factory

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  7. Mishimoto 2010-2012 Dodge 6.7L Cummins Intercooler, Part 4: Prototype Intercooler Testing

    Mishimoto 2010-2012 Dodge 6.7L Cummins Intercooler, Part 4: Prototype Intercooler Testing

    Interested in purchasing this Cummins Intercooler? Check out our product page for more information!

    Mishimoto Dodge 6.7L Cummins Intercooler

    Time to see how efficient our cooler design is! We would be pulling our test truck onto our Dynojet to collect the data needed to evaluate the intercooler fully. Check out the conditions of our testing procedure below!

    Testing Conditions

    Vehicle: 2010 Dodge Ram 6.7L Cummins, Automatic Transmission, Performance Air Intake, Exhaust Modifications, Tune

    Ambient Temperature: 70°F-76°F

    Sensors: PLX Devices with Temperature sensors on both the intercooler inlet and outlet

    Process: 6th-gear pulls from 1,800 rpm to 3,200 rpm, with

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  8. Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 2: Factory Intercooler and Project Goals

    Mishimoto 2011+ Chevrolet/GMC 6.6L LML Duramax Performance Intercooler, Part 2: Factory Intercooler and Project Goals

    Interested in purchasing this Duramax Intercooler? Check out the product page for more information!: Intercooler Kit, fits Chevrolet/GMC 6.6L Duramax 2011-2016

    Welcome back! In our last segment we removed the factory intercooler so we could determine if this project would even be necessary. The good news is, all that work was not for nothing; our team found several aspects of the factory intercooler that could be improved. Check out a few more detailed images of the factory intercooler.

    First, a peek at that interesting metal end tank we discussed in part 1 of this article.

    Factory LML intercooler metal hot-side end tank
    Factory LML intercooler metal hot-side end tank
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  9. Mishimoto 2010-2012 Dodge 6.7L Cummins Performance Aluminum Radiator, Part 3: Prototype Installation

    Mishimoto 2010-2012 Dodge 6.7L Cummins Performance Aluminum Radiator, Part 3: Prototype Installation

    Interested in purchasing this Cummins radiator? Check out our product page for more information!

    Mishimoto Dodge 6.7L Cummins Aluminum Radiator

    Time to install our prototype radiator into a test vehicle to make sure that it fits perfectly. Luckily, we were able to check fitment on the same donor vehicle we used for our last round of testing. Once the truck rolled into the shop, we quickly installed our prototype radiator shown at the end of our last post. Check out a few shots taken during the installation process!

    Mishimoto 6.7L Cummins radiator prototype installed
    Mishimoto 6.7L Cummins radiator prototype installed

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  10. Mishimoto 2010-2012 Dodge 6.7L Cummins Intercooler, Part 3: Prototype Intercooler Evaluation and Installation

    Mishimoto 2010-2012 Dodge 6.7L Cummins Intercooler, Part 3: Prototype Intercooler Evaluation and Installation

    Interested in purchasing this Cummins Intercooler? Check out our product page for more information!

    Mishimoto Dodge 6.7L Cummins Intercooler

    Our prototype intercooler is ready to go! Let's take a quick peek at what our engineers designed!

    Mishimoto 6.7L Cummins intercooler prototype
    Mishimoto 6.7L Cummins intercooler prototype

    Mishimoto 6.7L Cummins intercooler prototype
    Mishimoto 6.7L Cummins intercooler prototype

    First impressions, this

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