Sorry I don't know the answer to your original question, 64Bonneville... but I can tell you where else to ask. Register for the Q&A board and post the questions at Classical Pontiac (www.classicalpontiac.com
). Those guys are a wealth of just about any classical information you need. Good luck!
P.*. Post some pics of your Bonny when you get 'em! (In the appropriate forum, of COURSE...