I guess there's no actual rebuild thread on Ratsun...only links to the first one I did on NWDE, which is archived (thanks to ddgonzal!) here.....
....and you can find it on the tech page of www.olddatsuns.com as well. You can find the factory specs and instructions in the manuals on the tech page of olddatsuns.com too.
For now, refer to that page for part numbers and the entire process. This thread will evolve to include that s