Welding on a Cast rear

Exactly what seth just said. Someone is going to see that hydros to bags write up and weld to the pumpkin and not do it right and someone will get hurt. I would sue Tailgate! JK

Lincoln welder website has tech on how to weld cast iron and it does require some pretty tedious tricks as mentioned above.
http://www.lincolnelectric.com/knowledge/articles/content/castironpreheat.asp

now i no i didnt do it right, but a couple years back i was ignorant and didnt know any better and i welded tabs to the top of my blazer rear end. i did it with a flux core welder. i ran a bead and if u have ever used flux core, it takes a while to make a pass. by the time i got do the tabs were cherry red and i let it cool off over night. the truck was my daily for over two years. i never had a problem. i seen a pic on here when someone knocked so tabs off a pumpkin with a hammer easily. when i redid my truck i beat the shit out of them with a hammer and they didnt budge. i just though i would share. i guess i just got really lucky?!