58 was the only year they made both the Cameo and Fleetside. The El Camino came out in 59. I did a 57 back to exact factory specs. It came with the 283 and Hydramatic plus nearly every factory option. I don't know how to link to Photobucket but you can look at it at
http://s32.photobucket.com/albums/d41/coilover/ To save you from having to wade through all my junk scroll to the bottom of the first page and click on page 7; it's near the bottom. Was a rusted out mess with a 440 Chrysler engine/trans and the center of the dash cut out with and the center of a Ford car dash with a fancy radio welded back in. Now wins most shows it's entered in.