My Bel Air still has an old oil bath air cleaner. I’d never seen such a thing, and my previous 1956 Chevy had a standard flat air cleaner.

The concept is that you get the air moving very quickly towards a standing pool of oil. When the air turns to go around the corners in the filter, the particles of dust in the air shoot into the oil and get stuck. This one is fairly simple, just one bath, and one path for the air to flow through.

(more…)