68 jeepster Commando-change over to dry airfilter

-anyone ever replace the old oil-bath air filter with a new, dry filter? im gonna do anything i can to get better mileage.it would need a place for a vent hose and that is where im stuck. Anyone with some insight on this topic please post some advice. it would be greatly appreciated

vehicle is a 1968 jeepster commando with a dauntless V6 and i really am not too knowledgeable about cars