Wow, I now have broadband. Still a bit new to it, but expect to see more photos of the cars soon! It's taken nearly a week to get everything sorted, including the wireless network, 3 email accounts in Outlook for 4 family members etc, but its looking good now. Links to the sketchup diagram (you'll need Google Sketchup to view it) .

http://nz.briefcase.yahoo.com/dave.glover@xtra.co.nz/car/chassis.skp
and the excell spreadsheet of the dimensions
http://nz.briefcase.yahoo.com/dave.glover@xtra.co.nz/car/chassis dimensions v2.xls