Just a question that popped in my head.

i use a purple roloc disc from 3 m it works great you can warp panels from grindin  just dont keep it in one spot move along fast and quickly 

---------------------------------------------Originally posted by cwebb25i use a purple roloc disc from 3 m it works great you can warp panels from grindin  just dont keep it in one spot move along fast and quickly ---------------------------------------------the purple pads r the shit, they r a 24grit (I think) or 36 cant remember, but once the edges wear out u can use scissors and trim them down to keep using them cause the backing on the pad is very durable.........Use you hand to touch the metal every few passes and if it is warm/hot then let it cool...........it cold eaisely take half a day to weld and grind just a gas door if u dont wanna warp anything