Originally Posted by Sugar Bear

Valve adjustment and again in about 3k miles then every 12k. Check for timing chain stretch, adjust or replace if needed. Replace the braided injector fuel return hoses ASAP. Watch oil cooler lines for leaks and clearance from the V-belts.

Oil changes with C rated oil using Hengst, Mahle or Mann filter.

Run it briskly, especially uphills and let it coast in gear downhill exercising the piston rings, don't overheat it and it will run a LONG time.

Good luck!!!