ok ive search through this forum about removing a broken exhaust stud from the head of the engine but get this i broke 2 extractors so my last hope is to drill it out....thats when it went wrong....seems like i drilled the old stud out and when i was about to retap it the hole was too big i need any advance if possible will post pix if that helps

 

time for a heli-coil

 

lol i worked at a auto store for 4 years and i never thought of that thanks lol