For engine mounts, brackets, steering system ûsupports, and other bilge hardware, use ûproducts that seal with a waxy coat, such as ûCRC's Heavy Duty Corrosion Inhibitor.

Dozens of spray products found on chandlery and hardware store shelves promise to inhibit rust, fight corrosion and generally protect metals from attack. The labels are confusing at best. All of these products claim to be formulated of secret ingredients that enable them to beat out the competition when it comes to preserving your expensive hardware and electronics. And all claim to burrow under moisture and bond to the target metals.

As it turns out, most of these products, at least those we tested, perform reasonably so long as you take the time to read the small print and select a product appropriate to the job. …