What should be used to clean the oiled air cleaner in a 67 F350? (Gas, other solvent, ??)
If you are talking about the PCV breather element located on the inside of the round air cleaner housing, don't clean it. Replace it when it becomes oil-soaked. If you are talking about an oiled air cleaner like a K&N air filter, a special non-flammable cleaner is used by K&N and sold at most auto parts stores. You don't want to use a flammable solvent as this can cause backfires or an engine fire since the air cleaner is right on top of the carb.
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