Ram CP3 swap
This article will mainly interest RAM 6.6 owners but it does mention the CP4 bypass for Ford 6.7 owners at the end. It is about swapping the CP4 for a CP3 as a precautionary measure
Forum Discussion
I'm waiting for multiple reports of CP 4.2 failures on the Ram Cummins...before I buy into the hysteria. Have seen none so far...still early...i know.
