I bought one of the padded rubber faced firewall covers, to replace the original cardboard one. It had precut knockouts for mounting points, grommets, etc. If I line up the grommet holes, then most, at least half of the mounting holes don't line up at all. I'm going to have to drill some new holes in the firewall, or in the cover, in order to get this installed. My only question is, is this normal? I was a bit surprised, although I guess I shouldnt be, as this seems to be pretty normal with most reproduction parts. Why is it that every 20 minute job on this truck ends up taking 2 days?