I've never had a dash in my truck, the one it came with was cracked the worst ive ever seen from the az sun. So i tried bondo a few months ago to get it filled. It filled it back in but didn't give me the finish I needed, so it sat and cracked a bit more. But then I saw a buddy of mine using fiberglass on a sub box, and thought I'd give that a shot. I sanded the whole dash with 80 and now im half way through glassing, im happy so far. My thought is that if I sand this down a little, some of that cheap bedliner should take up the rest of the crack lines enough and give it a consistent color
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