Well my plastic capped IC finally let go last August. I took it to my dealer and they claimed zero issues.. well I changed dealers in Nov and wouldn't you know, bad IC
But now that I have had the new IC on for a few thousand miles in several different climates I have some observations to share.
Under normal driving the plastic IC was 10-15* above ambient temps and would get to about 40* above ambient on a hard pull. And at 80 MPH is was 15-20* above ambient. The metal one is very similar in cold weather, but when it gets above 60* ambient the metal IC is more efficient, its consistantly only 8* above the ambient at 65-70MPH, the plasitc was never that efficient. At 80MPH in warm weather its 10-15* above.
I haven't towed with it yet, but I am looking foreward to seeing how it works on a hard/hot tow.
But between the functioning IC and the new GDP intake horn my truck makes 5-10psi more boost below 2K rpms, and thats going to be great for towing.
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
Cummins Diesel Forum
A forum community dedicated to all things Cummins Diesel! Originally founded for owners and enthusiasts of Cummins powered Dodge pickups, the Cummins Forum has expanded to include ALL Cummins Engine applications! Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more!