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Home >> Isuzu >> 1991 >> Impulse RS >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Ignition System >> Firing Order & Timing Marks

Firing Order & Timing Marks

Fig 1: Firing Order & Distributor Rotation)
G90F17942
IGNITION TIMING - (Degrees BTDC @ RPM)

Application Base Timing
Impulse & Stylus (1) 9-11
(1) With jumper wire installed in ALDL connector, located behind right side of instrument panel. Increase engine speed to 1500-2000 RPM to read timing specification (if necessary).