Motion IROC-Z's

[Motion_Z]

As I'm sure you are all aware, there was an article in the December 1987 issue of Popular Hot Rodding that showcases a 1983 Motion IROC-Z. This is the only article, or reference for that matter, I've been able to find on a third generation Motion Camaro.

Does anyone know the whereabouts of this car? How many Motion IROC's did Joel create and from what year to what year? What would it's value be today? I realize they're not Baldwin Motions (as Baldwin Chevrolet was long gone by the 1980's), but they are Motion vehicles none-the-less.