Nissan and Datsun Workshop Service and Repair Manuals

Firing Order: Specifications
Tune-up Specifications

Air Fuel Mixture [1]

CO content ................................................................................................................................................................................................  less than 10 %

Firing Order ...........................................................................................................................................................................................................  1-3-4-2

Idle Speed [2]

M/T .............................................................................................................................................................................................................  700 ± 50 rpm
A/T .............................................................................................................................................................................................................  700 ± 50 rpm

Ignition Timing

At Idle Speed ...........................................................................................................................................................................................  20° ± 2° BTDC

Spark Plug Gap ...................................................................................................................................................................  0.039 - 0.043in (1.0 - 1.1mm)

Valve Adjustment [3]

Intake (hot)  ...................................................................................................................................................................  0.012 - 0.015in (0.31 - 0.39mm)
Exhaust (hot)  ................................................................................................................................................................  0.013 - 0.016in (0.33 - 0.41mm)

[1] At idle with 2.5 K ohm resistor in place of engine temperature

sensor and with A.I.V and O2 sensor disconnected.

[2] At operating temperature and transmission in neutral.
[3] Shim type adjusters