Regarding air cleaners. I used the old Chrysler 300 style "football" air cleaners on my '62 Sport Fury. I bought mine from a Chrysler 300 club member. They aren't cheap. http://www.chrysler300club.com/rcmstuff/partsforsale.html Plus the carb throat opening is the old AFB smaller size. I modified mine but Jegs, Summit and others sell an adapter. K&N makes the air filters. There are too different heights. You will need to shorter one as the taller one makes the height too tall for the hood to close. While you are using 1" spacers the spacers I'm using are only 1/2". If you have any other questions about '62s or the 2X4 set-up drop me a note. I'd be happy to help where I can. How's the project coming? feel free to PM me.