Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPORSCHE1982928 AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESPECIFICATIONSTUNE-UP - V8IGNITION TIMING
1982 Porsche 928 Automatic Trans
Ignition Timing
1982 Porsche 928 Automatic TransSECTION Ignition Timing
- With engine at normal operating temperature, disconnect and plug hoses at distributor advance unit. Stop engine and connect timing light to No. 1 cylinder. Connect tachometer to connection stud above ignition control unit in engine compartment.CAUTION: Dangerously high voltage exists in ignition system. Ignition must be off when attaching or removing testing equipment, or severe shock may occur.
- Start engine and accelerate. Adjust timing as necessary by turning distributor. Return engine to idle, and connect vacuum hoses. Recheck timing. Timing should read TDC to 7° BTDC. If not to specification, distributor should be removed and tested.IGNITION TIMING (Degrees BTDC@RPM)
Application Timing All Models (1) 23@3000 (1) With distributor vacuum advance hoses disconnected and plugged.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.