If you don't find it, try putting a want ad in Hemming's Motor News. Now that you know which engine you're looking for, there's bound to be a collector out there somewhere with some spare parts available. You might even find a complete engine in running shape.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!