Thanks Big Chevy 3600 I was having the same problem fireout1 was and couldn't find the one mentioned. But after looking at the pictures in the webrodder article it appears to me they used this one:

http://www.tanksinc.com/index.cfm/p...ry_id=69/home_id=59/mode=prod/prd108.htm

Or am I looking at it wrong? The one in the link you provided is for a 53/54 Car isn't it?