I'd recommend rounding the corners of that repair panel. You'd get some pretty severe warping at right angle corners, and raidiused ones will minimize that. Also, use as much of the original metal as you can.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.