It's time finally for part 18 of my Mazda RX-5 Cosmo restoration. In episode 19 I continue repairing the rear floor pan, this time dealing with the drivers rear seat area as well as some of the bulkhead and frame below it. Once tired of messing about with floor pans, I move onto some easy sheet metal work involving filling some of the unnecessary holes in the firewall. Included in this episode: cutting out rusty sheet metal, cleaning up rust, prepping the areas for repair, fabricating patch panels, hand forming patch panels, welding in new metal patch panels, smoothing a firewall, fixing sheet metal weld distortion, a tornado.
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