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Bill McCormack passed away in Feb. 2003, here's his Obit w/ family names if you want to try contacting anyone...
http://www.tributes.com/obituary/sho...rmack-88506679
Maybe you have the same car but if not, another SYC Member posted this last year...
https://www.yenko.net/forum/showthread.php?p=1396595
Zone # 45
Dealer # 242
Bill McCormack Chevrolet
1200 Lincoln Highway, East New Haven Indiana
(In operation Sept. 09, 1955 - Jan. 01, 1978)
~ Pete
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