67/68/69 cuda dilemma
So I centered the cut lip, then using the tongue depressor spacer blocks to set the gaps i aluminum taped the arch in place with some sheetmetal splints to keep it pulled in the 5/8" and 3/8". I had to trim it at the front to keep it centered at the top middle. Then I hung the skin back on and checked the mating flange gaps again. The quarter skin lip in the arch fits the outer wheel house lip to within 1/16" now. Close enough to clamp and spot weld easily. Note on quarter skin I marked where the gap starts at the front. And where the 5/8" and 3/8" gaps are.
Tech Tip: i use sharpie markers a lot. Especially the silver ones. silver sharpies work great with black primered parts. When I line up a black primered part and clamp it in place, I use a silver sharpie to trace where the pieces overlap, then I pull everything back apart to either trim, or drill where my rosette welds will be knowing where the panel overlaps are.
So I centered the cut lip, then using the tongue depressor spacer blocks to set the gaps i aluminum taped the arch in place with some sheetmetal splints to keep it pulled in the 5/8" and 3/8". I had to trim it at the front to keep it centered at the top middle. Then I hung the skin back on and checked the mating flange gaps again. The quarter skin lip in the arch fits the outer wheel house lip to within 1/16" now. Close enough to clamp and spot weld easily. Note on quarter skin I marked where the gap starts at the front. And where the 5/8" and 3/8" gaps are.
Tech Tip: i use sharpie markers a lot. Especially the silver ones. silver sharpies work great with black primered parts. When I line up a black primered part and clamp it in place, I use a silver sharpie to trace where the pieces overlap, then I pull everything back apart to either trim, or drill where my rosette welds will be knowing where the panel overlaps are.