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Home >> Chevrolet >> 1985 >> Nova/Chevy II L4-1600cc 4ALC Nummi >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Specifications
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Ignition Timing: Specifications

Timing values:
- With vacuum advance disconnected and plugged; 5° BTDC @ 950 RPM max.
- With vacuum advance connected (normal); 13° BTDC