Why take apart a perfectly good Z?:paranoid: I guess it's because its time. After almost 40 years of oxidation and corrosion the engine needs a bit of sprucing up. I will start dissassembling today and get the zinc plated parts cleaned and replated. Wow, there are a lot of zinc plated parts. I am plannning on doing most of the cleaning myself and then taking the parts down to Les at Classic Datsun for a final clean and plating. Looks like the brake and clutch lines will need to go as wel