Im forum owner gary503 on a 337 flathead Ford forum. The 337 engine was used in 1949-51 Lincolns and 1948-51 F-7 and F-8 Ford heavy trucks. Im gary503 there because Id once dreamed of a 4.00 bore x 5.00 stroke - 503 CID custom cast custom billet 337 engine. Now I know the 503 is impossible, and Ive lost some of the interest that I once had in the 337. Rule your own kingdom ( its not as big as Club Hot Rod, but it can be all yours ). You can access the 337 forum at