I started fabricating the 180 degree exhaust manifolds so time to get you guys up to speed with my engine rebuild first. I am working on the 240Z at a big shared garage from which I rented a space. While I can only work on the car ever so often, I have been building the engine on the side at my home garage. The rebuild of the engine included a complete disassembly, thorough cleanup, checking the flatness of the head gasget surfaces, all new seals, bearings, head gasgets, head bolts and powder coating the valve covers and front covers.