Originally Posted by TR4
jleamo1, thanks for explaining this and clarifying the pumps. I didn't know the VP44 was also called a CAPS.
Bill, CAPS tends to follow all of the engines in those years, I'm not sure if its slang or correct. When you speak to someone they identify the Cummins line up as the following;
It really confused me and I had to ask a bunch of questions to gain a better understanding of what people were talking about. I wouldn't call a VP44 a CAPS system since I do not believe it has accumulators in the pump which is where CAPS comes from, but what do I know
Honestly I believe the VP44 gives the actual CAPS pump a bad name (not that its a great design), when you read up most failures are the VP44 when you really dig into it. And with the VP44 in the 5.9 Dodge there are a bunch more of them on the road.