I think I'd just put them where they look good. Evenly spaced with one in the center and the end ones not too close to the sides. That's probably what's done as they're accessory items, not necessarily factory.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
