Will an aluminum intake manifold heat the carburetor and fuel faster or slower than a cast iron manifold? BTW, Neither my car nor my friends have any vapor lock problems since we installed a fuel pump heat shield, as per Don Dulmage. Thanks, Don! Sean ---- 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.