Ignition Timing

D24 Non-turbo
All 1982 on 0.82-0.90mm (0.032-0.035 in.)

D24 Turbo
WITHOUT EGR
USA/Canada all 1982-1983 0.77-0.85mm (0.030-0.033 in.)
USA/Canada 1984 0.82-0.90mm (0.032-0.035 in.)
USA Calif. 1984, USA all 1985 0.72-0.80mm (0.028-0.031 in.)

WITH EGR
All 1984-19865 0.72-0.80mm (0.028-0.031 in.)

HIGH ALTITUDE COMPENSATION [1]
Add 0.07 mm to specifications for each 3300 feet of elevation. Mark vehicle and injection pump with a label which states, "THIS VEHICLE IS MODIFIED FOR HIGH ALTITUDE DRIVING."

[1] The Environmental Protection Agency defines high altitude as an elevation exceeding 4000 feet above sea level.