Hello Everyone!

I'm trying to reach out to the community for a bit of help. I know some good fellas down here in Maryland that run a Non-Profit called 77 rescue and they work raise awareness to the Voluntary Fire & Rescue community. They attend a lot of events in their old Ford Rescue truck which had a straight piped Cummins 350 Big Cam and man that thing sounds sweet! Anyways to get to the point I noticed that the truck blows quite a bit of white smoke at idle and also while under load. They don't have the money to pay a shop to go through it and I would love to help them out but I have no experience on this particular engine so I thought you guys could give me some places to start. I'm working on getting a copy of the manual right now. Any input is appreciated...Thanks!

-Jeremy