Does anyone know where i can buy some elliptical tube, approx 30 x 20 x 16 swg thick.
Iwant it to make some new wishbones but can't find it anywhere
Any help please

try spa design

http://www.spa-uk.co.uk/aerofoils/tubing.htm

If you want it to be eliptical for aerodynamic reasons, just use round tube. Because it is mounted at an angle, it presents and eliptical profile to the air as your car moves forwards.