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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.

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, tall stance and an engine capable of producing enough torque to stop the rotation of the solar system, there's no mistaking what these trucks were made for.

As substantial as

Interested in purchasing our 6.7L Powerstroke radiator? Check out our product page for more information!

Mishimoto Ford 6.7L Powerstroke Aluminum Radiator

Time to put some numbers behind the effort our team has put forth on this project! As mentioned in the last post, we would be collecting real-world driving data to analyze the effectiveness of our performance aluminum radiator against the factory unit. To prepare for this, we attached our temperature sensors to both the inlet and outlet of the radiator. This would allow us to analyze the efficiency of the radiator by comparing the reduction in temperature from inlet to outlet. Check out these sensors attached to the factory radiator.

Temperature sensors installed with factory radiator

Now that we had everything installed and the cooling system was bled of any air bubbles, we could begin to collect the necessary data. To keep things consistent, identical testing conditions were used to ensure that this was as close to apples-to-apples

Interested in purchasing our 6.7L Powerstroke radiator? Check out our product page for more information!

Mishimoto Ford 6.7L Powerstroke Aluminum Radiator

Now that the prototype was complete and all dimensions checked out with our drawings, it was time to drop this into a truck to ensure that fitment was spot on with all engine bay components. To give you an idea of the scale, take a look at this unit next to one of our Subaru WRX aluminum radiators.

Mishimoto 6.7L Size comparison of Powerstroke prototype radiator (left) and Subaru WRX aluminum radiator

Mishimoto 6.7L Size comparison of Powerstroke prototype radiator (left) and Subaru WRX aluminum radiator

Now we can shoehorn this monster into the engine compartment to check fitment of the brackets, mounting points, and engine bay components. Below you can see the radiator mostly installed. We needed to remove numerous components before we could access the factory radiator.

Mishimoto 6.7L Powerstroke prototype radiator installation

The

Interested in purchasing our 6.7L Powerstroke radiator? Check out our product page for more information!

Mishimoto Ford 6.7L Powerstroke Aluminum Radiator

Time to design a new radiator! Now that we had the factory radiator removed and the engine bay dimensions documented, we needed to determine the individual dimensions of the factory radiator. We set the radiator up on our Romer arm to begin drawing this component in 3D. Check it out!

6.7L Powerstroke factory radiator modeling

This tool allows our engineers to capture dimensions in a controlled environment. The radiator is secured to the table, while the arm is used to note the position of critical points. When complete, the engineers can use these points to develop a full model of the radiator.

Once we had the radiator prototype modeled, we developed a prototype unit to test fit into a truck. This would help us ensure that we reached our first goal, perfect fitment. Check out a few shots of our prototype unit!

Mishimoto 6.7L Powerstroke

Interested in purchasing our 6.7L Powerstroke radiator? Check out our product page for more information!

Mishimoto Ford 6.7L Powerstroke Aluminum Radiator

The Ford Powerstroke 6.4L has not had a fantastic reputation for radiator reliability. Radiator failures are nearly a guarantee, with many vehicle owners experiencing frequent failures in an extremely short time frame. Ford began tackling the problem with a variety of Technical Service Bulletins for coolant system upgrades to remedy the issues. To provide even more protection, the team at Mishimoto developed a very successful bolt-in radiator for the 6.4L that eliminates several common failure points in the factory unit: the plastic material used in the end tanks, and the crimp connection of the core to the tanks. We also investigated the reasoning for frequent failures in certain trucks, and we identified several factors that would have an impact on overall radiator longevity. These include coolant system components such as the degas