need help auto grass prep

Before you touch the car with a spanner, get the appropriate rule book for the class you intend to run in.

If you are not confident in your welding and fabrication skills I'd leave the roll cage to someone who is.

You don't say where in the country you are, but you can find your local club here: www.national-autograss.co.uk

And most people use this forum here... pub40.bravenet.com/forum/static/show.php?usernum=3392982795&frmid=6