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Isuzu
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1991
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Impulse RS
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Firing Order & Timing Marks
Firing Order & Timing Marks
Fig 1: Firing Order & Distributor Rotation)
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).