Kev, congrats on the milestone, the car looks great!
Trestles, Chris? I've built a pair of wooden ones according to this classic plan:
http://www.owdman.co.uk/howto/howto2.htm
It was a fun woodworking project, they held the rolling chassis fine when I was fitting side panels, and they are generally useful in the garage now.
https://picasaweb.google.com/1008810...0528 79010562