I have a 87 Ford Bronco, with head failure.I heard about Dura Seal ?Should I use this ?

My opinion is no. Those things do more harm than good and are never more than temporary if they work at all. There is really no such thing as "Mechanic in a Can". Fix it right if you're going to keep it.

Thanks...I was just trying to tell my buddy, who's Internet shy, that he should have me pull the heads...I'm retired, after 27 years of turning wrenches, and really don't want to do it.
He needed more proof...ha ha ha.
Thanks again !!
M/2