I finally remembered to look inside the wheel well of my Duster to see if it has the reinforcement plate there for the Z-bar mount, and it doesn't. No big deal, since I'll cut a piece from some of my scrap and weld it in (or rather, have it welded in, heh). My question, though, is how big of a hole does it need to have for the Z-bar mount? There's a hole in the sheet metal that looks to be in the right position, but by eyeballing it, it looks to be just a bit larger than 1/2" diameter. I would've thought this would be too big. Am I right?

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'74 Duster w/ HEI ignition, beat to snot suspension, A904, 8.25" 3.55 SG rear, still being tuned up and gets 17 MPG

Know how they always build a better idiot? That's me