<< There is also no way of saying what the age limit is, 25, 30, 35 etc. years? >> Kees, in light of Richard of KY. pointing out FIA & SCCA rules, I would swear I have read somewhere that 10 years is max for passenger & light trucks [ala pickups]. I even thought I had a link, but a quick search comes up Nada <F> !! Ed