How to Rust Proof Your Classic's Cavities and Box Sections

There’s a baffling variety of cavity waxes on the market. Ian and Matt discuss the principles of cavity wax injection and what to look for in a cavity wax, before looking at how to apply the waxes with maximum effect. It’s important to get the wax everywhere and look to create a ‘fog’ of wax. Think about where your classic’s typical rust spots are and focus particularly on these areas. Make sure drain holes are clear both before and after application.