If I'm not mistaken, one easy way to tell is by the valve cover hold down bolts. If there are two acorn style nuts on top of the valve cover the engine is probably splash lubricated. Four bolts through the valve cover skirt would be pressure lubed.
195? Chevy 3800 dump truck 1973 Chevy C30 cab and chassis 1987 Suburban 3/4 ton 6.2L Diesel
