I feel your pain. I snapped off the real long bolt that goes through the front cover. They get pretty corroded down there. First, make sure that you get the engine to TDC, with the rotor pointing to the No. 1 spark plug. If you don't you will have a hard time getting the timing right and that can be a nightmare. This is important because you are going to have to pull the distributor and the oil pump out, along with the timing shaft that connects the two and goes through the front cover. You won't need to pull the head. You can also lossen the oil pan enough to get the cover off and back on again. If you go slow and take your time, it can be put back together without leaks, Make sure you get all the mating surfaces CLEAN. Use Permatex No.1 (I think that's it, the brown stuff). This job sucks, so you might as well make it worth while. Change the timing chain and guides while you have the cover off. A rubber mallet is ok as long as you don't go crazy. good luck! Marty