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Old 12-31-2012, 08:36 AM
tech69 tech69 is offline
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Originally Posted by deadbodyman View Post
The jack stands need to be under the rear axel and under the a frames so all the weight is on the suspension just like it would normaly be.
to find the spot welds a little easier I use a roloc gasket cleaner it shows the outline of the weld nicely You dont need a spot weld drill for this ,all you need is a couple sharp drills and a clicker punch..after cleannig the metal and finding the welds you eyeball the center of the weld and using the punch make a dimple to keep the drill bit from wandering...starting with a 1/8" bit drill all the way through all of the welds Then go to a bit thats slightly larger than the weld (usually 3/8") and drill all the welds out ...Now to make things much easier you need an air chisel and a couple chisels ,first is the panel ripper with three prongs ,this you use before you start drilling to remove all of the rocker thats exposed,with that out of the way you can drill out the welds ez... once the welds are drilled you need a weld cutter chisel basicly its a regular chisel but insted of the sharpe end being flat its V shaped you use this to seperate the layers of metal.You can substitute the air chisel for a hammer and hand chisel but the chisel cant have a beveled edge on both sides only one bevel ,you may have to grind it flat and bevel it yourself...
On that car the welds at the bottom of the 1/4 are inside the 1/4 so you need to take off the interior panel to get in there which all the interior should be out any way, seat too... or after removing most of the rocker ,you can drill out the welds from the bottom...You should never try to just chisel out a weld without first drilling it ,it'll just tear everything up,take longer and just look messy. When its all out nistalling the new one should be pretty ez but there are a few tricks so get back to us...
I disagree, I use the chisel all the time and it comes out perfect. Just gotta know what you're doing and have a good bit. It's much easier to grind off little broken pieces of weld left on the metal than to drill them all out. I do both but with old schools where rust is present I will "try" the air hammer first. It's not for everybody but my work isn't "messy" as you suggest. When I do drill them out I use a good spot cutter and don't drill little holes in the good panel. That's just more work but that's my "opinion".

Last edited by tech69; 12-31-2012 at 08:52 AM.
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