FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Chevrolet
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1988
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Nova/Chevy II L4-1600cc 4ALC Nummi
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Ignition Timing
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Specifications
Ignition Timing: Specifications
Timing values:
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With vacuum advance disconnected and plugged; 5° BTDC @ 950 RPM max.
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With vacuum advance connected (normal); 13° BTDC