Whatever color you decide to paint it, it looks pretty good right now. I think the gray that Jake added to the photo looks good, especially with the black chassis and engine, and a fair amount of chrome. Having those various shades of gray, it will always photograph well. If you go with gray, I think I'd go with a little bit darker gray than what is aon Jake's illustration.
Just my nickel's worth.
Dennis W. Parks
author of automotive hot rod books