John, Welcome aboard! Glad to have ya! Am I reading it right that it means you have a 1 of 1? So is yours the auto or 3-spd? Got any pics you could post up somewhere or send around? We would love to see the car! I hate to sound really stupid, but I'm assuming you mean high & low compression for HC and LC? Bill M 65 Coronet 500 'vert > -----Original Message----- >On Dec 10, 2007 9:49 AM, Gray, John SK1 <John.S.Gray@xxxxxxxx> wrote: > > New to this board, thanks. > > I am happy to announce that the 63' Polara 500 MW car my father and I have been hanging on to for 20 years >turned out to be a HC car, looks as if only 7 500 cars were built in 63' and only one of them was a HC, 5 LC auto's, 1 >LC 3 speed and one HC auto.