The folks at Hot Rod mag vote along the same lines with their comparison of intakes and agree to take advantage of aftermarket intakes benefits requires other engine performance improvements. http://www.hotrod.com/techarticles/hrdp_0712_mopar_intake_manifold_comparo/viewall.html Thanks, Gary H. > -------Original Message------- ... The quick answer is if it is stock get the duel plenum > intake ... Herb -- -- Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. -- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. http://groups.google.com/group/1962to1965mopars?hl=en.