I am planing on rebuilding my motor. I have a 1990 300zx N/A with 130000 on her. I am planing on mostly doing the bottom end. I want to put stillen forged pitons and titanium rods in for lighter recipicating weight. I have done many V8 cars but have never done a 300zx I have the nissan shop manual am i getting way over my head. how many hours dose this usually take. If you have and sugestions or commets please let me know.