Here is a an analysis that covers that covers 9 months including an entire Alberta winter - Oct 4/04 to June 1/05.
Vehicle: 1984 Toyota Cressida
Engine: 5MGE 168 cu inch, in line 6 cyl,
double overhead cam
Oil: GC 0w-30 batch M0233868784A1 1512
Makeup oil: Nil
Miles on oil: 6,000
Miles on...