Nah... here's the recipe. It's actually pretty easy if you have the right tools. It makes sense to do it since Roddy does have molded seats and a steering wheel.
I'd hesitate to do it to a Classics or Henkei but there are plenty of Battle in Space Rodimus' around.
http://www.tfw2005.com/boards/tutori...ification.html
(scroll down about 3 posts for a really good guide)