Let me ask this question in a different way again. Is anyone using a max wedge cross ram manifold and running heat in their car. If so where are you pulling the vacuum supply from for the heater control switch. I'm thinking it's as simple as the right side carb, but I'd like to known. Everyone around me runs heater delete. NIck Tiberio FuryUs63 ---- 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.