A vender at Carlisle in Row M that I have bought a ton of NOS Emblems and Hemi Parts off of told me he was involved with Chrysler producing a Hemi six pack intake.. Do not know his last name but his first name is John. He owned or ran a Dealership and raced a Chrysler back in the late 60s and 70s. He also got a New Challenger looked like a body in white and race it also. He did talk about working with Chrysler on the intake and he still might have some intakes of information on these intakes. To bad it is not June instead of August and I could of asked him all he could remember about the process at Mopars at Carlisle.