Quarter panel vs Quarter panel skin?

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Wow...lots or really good advice and info guys, thanks. Looks like I will buy the full quarter...anys more tips, advice and lessons learned for the R&R of the full quarter for this this rookie?

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Study the existing seams and joints before you start cutting them apart. Take pics if you won't be able to remember where three panels meet and how they butt or overlap, how they are welded, etc.

Take measurements from reference points that will not change when you cut off the original panel.

Spend the extra time carefully grinding and cutting away the old panel rather than cutting off too much to "save time"- you won't.

Don't throw away the pieces you remove until you're completely finished. They're a valuable reference tool when you can't remember how something is supposed to line up correctly.

Measure twice cut once is good advice, but plan on test fitting many, many times before you're ready to tack weld the quater panel in place.

Make sure the trunk lid, trunk hinges, etc.-- anything that fits in relation to the quarter panel-- are all ready to go when it's test fitting time. What might look like an even gap at first test fit may turn out to be uneven when the trunklid is adjusted later.

Follow your instincts- if the fit doesn't feel right or something just doesn't seem correct, don't just go ahead and weld it. Everything may not be 100% perfect, but a good fit goes a long way toward achieving the end result.

Let's not forget a full face mask and respirator when doing all that and either.

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I just finished correcting some shoddy body work on the '70 barracuda, So I just replaced the passenger side rocker panel and the lower section of the quarter in front of the wheelwell and behind the door jamb . The Rocker was a AMD and the fit was excellent. I bought a non AMD quarter panel skin I got from Cross Canada auto body (no Idea who manufacturers it) and sectioned out the piece I needed for the quarter repair. It took 3 or 4 hours of messaging to make the 12"x12" repair piece perfect. I don't know what the wheel well flange is like on the AMD quarter panel but the skin I had was rough stamped and required alot of trimming/messaging
Glenn C

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I've bought those cross canada peices in the past when AMD wasn't available and they are still sitting on my shelf... Once I seen how shitty they were I just made my own.. I now use them to show the difference in quality of the two manufactures..

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Wow...lots or really good advice and info guys, thanks. Looks like I will buy the full quarter...anys more tips, advice and lessons learned for the R&R of the full quarter for this this rookie?

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Study the existing seams and joints before you start cutting them apart. Take pics if you won't be able to remember where three panels meet and how they butt or overlap, how they are welded, etc.

Take measurements from reference points that will not change when you cut off the original panel.

Spend the extra time carefully grinding and cutting away the old panel rather than cutting off too much to "save time"- you won't.

Don't throw away the pieces you remove until you're completely finished. They're a valuable reference tool when you can't remember how something is supposed to line up correctly.

Measure twice cut once is good advice, but plan on test fitting many, many times before you're ready to tack weld the quater panel in place.

Make sure the trunk lid, trunk hinges, etc.-- anything that fits in relation to the quarter panel-- are all ready to go when it's test fitting time. What might look like an even gap at first test fit may turn out to be uneven when the trunklid is adjusted later.

Follow your instincts- if the fit doesn't feel right or something just doesn't seem correct, don't just go ahead and weld it. Everything may not be 100% perfect, but a good fit goes a long way toward achieving the end result.

Let's not forget a full face mask and respirator when doing all that and either.

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I just received the amd quarter skins both sides, outer wheel housings, drop offs,... I will be doing this with the car on stands. I'm not sure which way is better. Also, my fenders are already off but I think if the door is aligned ,that should be good enough. As far as weld thru primer, I tried using that stuff and had nothing but problems with the welds, ended up stripping it all off and going with shiny metal surfaces, then protecting after the weld. Could have been the way I was using it, but I just had much better welds without it. By the way, the amd sheet metal pieces were awesome. No scratches,dents, waves.. everything was packaged excellently.

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Try the U-pol #2 weld-through primer... expensive at about $25/can, but it works excellent, no "spatterfest" welding.

Rick

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Don't use the cheap stuff unless you enjoy hot bits of slag popping like crazy , blowing your panel apart, and sending moltem bits of metal running down the inside of your shirt or leg ! Another trick if you're plug welding is to zinc prime then just scratch the area in the hole up a bit to get contact for the welder, once you have melt and a bond acheived then the electrical connection improves... and make sure the panels are tight together or it's going to pop and sputter no mater what you do...