Best way to separate pinch welds

Blaine Davis said
I rarely allow myself to use an air chisel because i somehow always end up with a slip here or there and making more work for myself lol, but they definitely make some jobs easier i used the drill method on my wheel house removal and the great thing about it is i was able to drill all the way through in a few places so that way i have alignment holes for when i put the inner wheelhouse back in after i finish widening it

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NICE. The CP zip gun is very forgiving. It hits hard but the trigger lets you deliver them one stroke at a time. I have custom ground bits. Some of them very sleek and sharp. Ya, it goes against the grain of " chisel " principles but it works for me.