On any classic Chevy, the trunk area has usally suffered quite a bit of abuse. From carrying cargo and rust to any number of modifications, after 40-plus years, a trunk floor can be pretty ragged out.

It's the classic car reality: the beloved '60s muscle car from high school rusting away in a field. This was the sad truth of our '67 Firebird—that is, until the day we rolled it into our new shop and ...