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ENGINE TUNING DATA PETROL ENGINE TUNING DATA (with 4-speed gearbox and without electronic ignition) ENGINE Firing order ........................................................ Cylinder numbering system, front to rear: Left bank ........................................................ Right bank ...................................................... Compression pressure (minimum) ........................... Timing marks.. .................................................... Valve clearance.. ................................................. Valve timing: Inlet opens ...................................................... Inlet closes ...................................................... Inlet duration. .................................................. Inlet peak ....................................................... Exhaust closes.. ................................................ Exhaust duration .............................................. Compression ratio.. .............................................. Exhaust opens.. ................................................ Exhaust peak ................................................... . . . . CARBURETTERS ................................................................. European Australian ......................................... Other markets - non-emission ............................ Australian.. ..................................................... Other markets - non-emission.. .......................... -emission .................................. Australian ....................................................... Other markets - non-emission ............................ - emission.. ................................ Needle: Idle speed (engine hot): Fast idle speed (engine hot) .................................... Mixture setting - CO at idle: Australian.. ..................................................... Other markets.. ................................................ IGNITION Primary resistance at 20°C (68°F). ............................ Consumption, ignition on, at 2000 ..................... Coil .................................................. Sparking plug type ............................................... Sparking plug gap ................................................ Ignition timing, dynamic or static.. ........................... Fuel octane rating Australia. .................................. Non-emission ............................. Emission ................................... Engine idle speed.. ............................................... or Dependent upon market 1- 3- 5- 7 kgf (135 lbf in') On crankshaft pulley vibration damper Not adjustable 36"B.T.D.C. 119" B.T.D.C. Two 175 CDSE BIFH 700 - 750 (run-in) 550 - 650 (new engine) 550 - 650 700 - 750 (run-in) 550 - 650 (new engine) 1050 - 1150 2% - Pulsair connected 1.5% - 3% Pulsair connected A C Delco with ballast resistor 1.2 - 1.4 ohms 1 amp Champion or Unipart (0.028 - 0.033 in) 5" to 7" B.T.D.C. 97 RON minimum maximum with vacuum pipe disconnected 1 |