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ELECTRICAL 1 ADJUSTMENT IGNITION TIMING Service repair no - 86.35.15 Adjust 1. It is essential that following procedures are adhered to. Inaccurate timing can lead to serious 2. On initial engine build, or if distributor has been disturbed for any reason, ignition timing must be If engine is 3.9 V8. See ENGINE TUNING DATA, Information, ENGINE - 3.9 V8 If engine is 4.2 V8. See ENGINE TUNING DATA, Information, ENGINE - 4.2 V8 NOTE: This approximate setting is made CAUTION: On no account must engine be Equipment required :- Calibrated Tachometer 3. Couple stroboscopic timing lamp and tachometer to engine following manufacturer’s instructions. 4. Disconnect vacuum hose from distributor. exceeding 3,000 rev/min run engine until normal If engine is 3.9 V8 check tolerance in. See ENGINE TUNING DATA, Information, Engine If engine is 4.2 V8 check tolerance in. See ENGINE TUNING DATA, Information, Engine 6. Idle speed for timing purposes must not exceed 800 rev/min. 7. Run engine at idle speed and check timing using stroboscope light on timing marker and pointer. WARNING: Keep hands and equipment 8. If timing is not as specified, switch off engine. Loosen distributor clamp bolt and turn distributor WARNING: Personal injury may result if an 9. Upon completion, switch off engine and tighten distributor clamping bolt securely. Recheck 10. Refit vacuum hose. tachometer from engine. |