oh, shoot. the light bulb just went on in my head...since this is an 88 trooper you're dealing with, that head may not be worth saving. <img src="/forums/images/graemlins/shocked.gif" alt="" /> the earlier 4ZE1 heads were lousy and prone to cracking. <img src="/forums/images/graemlins/angry.gif" alt="" />
what people "generally" do is get a brand new casting to swap in. i'd highly recommend doing a search on the subject. <img src="/forums/images/graemlins/kewl.gif" alt="" />