I'm thinking about Rhino lining or Line-Xing the frame, floor of the cab, and the bed of my '70 GMC. I'm still debating bout the frame, but if not I'm getting it powder coated. I could see what's being said about the bolt lengths, but you can always grind this stuff down to fit. My dad's truck has a liner in it and it's tough, but you can grind it down a little.