They used two different air cleaners on this engine, and they are NOT interchangeable. The Carter carb used a wingnut, and the Stromberg used a wingnut AND a wind-up kind of lever screw on the side. Gary Futrell wrote: > > Anyone have a factory air cleaner that would fit a 318 in a 63 > Plymouth? ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.