Operation CHARM: Car repair manuals for everyone.

Mechanical Specifications

Air Fuel Mixture
CO content [1] between 0.2 & 8 %

Firing Order 1-2-3-4-5-6

Idle Speed
At operating temperature
M/T 700 ± 50 rpm
A/T [2] 770 ± 50 rpm

Ignition Timing
At 750 rpm 15° ± 2° BTDC

Spark Plug Gap [3] 0.039 - 0.043in (1.0 - 1.1mm)

Valve Adjustment Hydraulic


[1] With 2.5 K ohm resistor in place of engine temperature
sensor and with O2 sensor disconnected.
[2] Automatic transmission in neutral.
[3] Platinum spark plugs