i work for a road paving outfit, the budget is tight so the trucks suffer. im dealing with a 1994 with an e7 350, 1995 e7 427, e7 400 and another one but i didnt get the numbers off the block. anyway my situation is i need to learn or find out how to run the overheads on these trucks. the company i work for is too cheap to adjust the valves or even the jakes. they dont seem to understand how vital these things are to the operation of a company but please please help i want to save this company as much money as i can. ultimately its saving me a lot of headaches and break downs. any advice will be great thanks