Rapid Fire by Roger Manson
![:thumbsup:](https://www.autopuzzles.com/forum/Smileys/default/THUMBSUP.GIF)
Originally a sand racer that incorporated Jeep frame rails (I have no photos), then a 4-cylinder, Pontiac-powered dragster (the puzzle image), and now a 195 mph salt flat racer (still powered by a 4-cylinder Pontiac motor).