Re: my 74 formula (rated R)
I have a blair 3/8ths spotweld cutter I started with but the spotwelds were too big from GM so I used a lennox 5/8's or 3/4 hole saw I modified by taking the guide drill out and shortening it so it stuck out beyond the saw teeth about an 1/8th inch. The lump it left behind I'd be able to knock down with 40 grit disks if I was going to keep the trunk pan. I only drilled them out because THERE ARE SUPPOSED TO BE FRAME RAILS BEHIND THE TAIL PANEL. >
I have a blair 3/8ths spotweld cutter I started with but the spotwelds were too big from GM so I used a lennox 5/8's or 3/4 hole saw I modified by taking the guide drill out and shortening it so it stuck out beyond the saw teeth about an 1/8th inch. The lump it left behind I'd be able to knock down with 40 grit disks if I was going to keep the trunk pan. I only drilled them out because THERE ARE SUPPOSED TO BE FRAME RAILS BEHIND THE TAIL PANEL. >
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