Hi, I'm O.N. Coolidge
Welcome to my webpage, BlackwingV8.com
I'm a automotive businessperson, enthusiast, collector, and some may say an esteemed expert on the Cadillac CT6, and Duramax-powered GM vans.
An odd combination. I know.
More generally, however, I take interest in a variety of unique production vehicles. Rare or limited model lines, trim levels, options, colors, powertrains, or a combination thereof.
I mainly use this site to present information and photos on my vehicles that have come time to sell.
In the future I plan to share some knowledge and data through publication on this site. Probably regarding the CT6, and Duramax vans. 
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