I’m in the process of gathering parts for my 440 swap. Question: Since the Ram came with the optional 5.9 diesel, would the inter cooler be a good size for my supercharged application or would I need to go bigger? 500ci stroked 440 with pro charger.

 

The supercharger doesn't generate heat like a turbo does from the exhaust but if you want to run it sure. Bigger question is why even supercharge it? With 500 ci you can make plenty of power. What is this going to be used for?

 

Intercoolers are for turbos I thought?

 

Or for centrifugal superchargers. The roots style, or even the axial flavors that bolt to the intake manifold directly though, don't really lend themselves to intercooling.

The mere act of compressing the air heats it up, regardless of how that happens.

 

Never too old to learn new things.

 

Well it’s gunna be a street strip, maybe some auto cross mixed in. I know Superchargers don’t create as much heat is turbos, that’s why I’m thinking about going with the stock intercooler for a diesel. The stroker is going to be fuel injected with a pro charger and 8.5 to 1 compression. 6l80 trans and Dana 60. So, pretty much a hot Rod truck. BTW, it’s a 96 Indy

 

I would recommend an intercooler. You can kinda get away without one at low power/boost levels but adding the intercooler greatly widens your margin of safety in tuning AND adds power. The stock cummins piece "should" be mostly appropriately sized. It's got a good size to it BUT it does have poor inlet/outlets. Aftermarket intercooler options for the cummins would be much better but they're generally pretty proud of their products and the things are costly. You could also modify the stocker. In order to bolt it in like you would factory, you'd need a cummins truck radiator support and it would also be easiest to use cummins truck based radiator and trans cooler.