This is going on a 1964 GMC pickup, I'm not worried about hood clearence. Couldnt find an adapter on the T6 site so I will call them. I did find this - the intake I have listed as a kit in jegs, and it looks like it comes with the adapter I need.
http://www.jegs.com/i/Offenhauser/750/5416/10002/-1?parentProductId=764102
