Air filters made from a kind of very fine metal mesh were in great demand with car manufacturers until well into the 1960s. Such cars have had the status of classic for years. The proud owner pampers his cart to infinity, but the cleaning of that filter is forgotten, is the child of the bill.
A heavily contaminated air filter not only ensures dramatically high fuel consumption and the associated high CO emissions, but ultimately also leads to engine damage. A too rich fuel mixture ensures that not all gasoline is burned, so that the excess fire water disturbs the lubrication of the cylinder walls, causing wear and tear again. Look in your workshop manual or manual of the car at what intervals that filter needs to be cleaned. If you do not have such reading material with your classic, clean the filter at least once a year or every 15.000 kilometer. Of course this all depends on where you live and where you drive with your classic car… Dusty roads, then of course more often to work! You soak the filter in a mixture of gasoline and petroleum. In a safe place, so not next to the stove or where children or animals can reach it. After a night, drain the filter well and dry it. Then lightly lubricate the outside of the filter with clean engine oil, unless your classic is equipped with a so-called oil bath air filter ...