69 Dart 340 Swinger Street/Road Race build

abdywgn said

I didn't notice the reduction in the lip. Could the top and bottom been clamped together, spots where the lip was ground out completely, those spots welded and so on so the whole inside lip was gone?

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I do not believe you could cut the entire lip out and clamp it together to weld without distorting the K member. The top of the lip is rolled out so if you cut the lip out, there would be at least a 1/4” gap between the top and bottom to have to clamp back together to weld. You’d have to fill the gap in with steel first.