If you do the RMS, I found it incredibly helpful to squirt grease up into the hold to help installation of the new seal. If you nick or otherwise harm the seal at all, give up and get another. And be careful, but also liberal with the RTV to seal up the corners where the directions say. And let the RTV cure overnight before firing up the engine. It took me 5 tries to get the seal right in my 88. :( Oh, and it's helpful to let the engine sit unmoved for a while before dropping the pan. Lets the oil collect. But be prepared for oil to keep on dripping. Safety goggles and ear plugs are suggested. 8)