Mike's Workshop Manuals
: Service manuals for every vehicle
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GMC
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1994
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C3500 HD 7.4 N, Standard
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Repair and Diagnosis
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Different variant/trim
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Section 1 (Engine Controls - Specifications - 6.5L Diesel)
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Ignition System
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Ignition Timing
Ignition Timing
WARNING:
This page is about a different variant/trim than selected.
NOTE:
For timing adjustment procedures, see
ADJUSTMENTS - 6.5L DIESEL
article in the ENGINE PERFORMANCE section.