
A Cooler Cummins. 2013+ Ram Intercooler R&D, Part 3: Prototype Test Fit
With our first prototype intercooler and shroud assembly complete, it was time to test fit and make necessary changes or adjustments.
Prototype Cummins Intercooler Test Fit
Using the factory mounting brackets, we bolted our components into place.

Mishimoto 6.7 Cummins intercooler prototype installed
The front shroud fits nice and snug against the front bumper and grille. The core is definitely in an ideal position for optimal airflow.

Mishimoto 6.7 Cummins intercooler prototype installed
Our team then worked to install the rear intercooler shroud, which mates with the cooling fan plastic shroud.

Mishimoto 6.7 Cummins intercooler prototype installed
It was here that we ran into a slight fitment issue. The altered core size we designed pushes the shroud farther back toward the engine. Unfortunately, this means our shroud contacted the steering gearbox.

Mishimoto Dodge Ram intercooler prototype installed
A bit of work with the cutoff wheel, and we had space to install the prototype.

Mishimoto Dodge Ram intercooler prototype installed
Shroud Modification
We can't just leave an open gap in our shroud. Dimensions were captured from the cutout, and we bent a piece of aluminum to seal the shroud.

Mishimoto Cummins intercooler shroud fabrication

Mishimoto Cummins intercooler shroud fabrication
This was then fully welded.

Mishimoto Dodge Ram intercooler prototype installed
Coming Up - 3D Models
We're getting closer to finishing our design. For the next few weeks our team will be obtaining dimensions from our 3D-printed prototype and shroud and will then create a finalized model in Solidworks. Check back next time for an awesome update!
Thanks for reading!
-John