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ENGINE TUNING DATA CARBURETTERS Type ................................................................. Solex specification number.. ................................... Needle .............................................................. Idle speed (engine hot).. ........................................ Fast idle speed (engine hot) .................................... Mixture setting - CO at idle .................................. IGNITION ......................................... Direction of rotation.. ........................................... Centrifugal advance disconnected Engine 4600. .............................................................. 3600. .............................................................. 3000.. ............................................................. 1600.. ............................................................. No advance below 900 Ignition timing, dynamic; models with emission control ............................... 2 x Solex 175 CDSE 3999 700 to 750 (run-in engine) to 650 (new engine) 1050 to 1150 Lucas 35 Electronic (Early Models) Lucas 35 Electronic (Later Models) Clockwise Crankshaft angle 21" to 25" 16" to 16" 7" to 11" 1" to 3" 6" B.T.D.C. with vacuum pipes disconnected using 90-93 ENGINE TUNING DATA (Ninety and One Ten with 5-speed gearbox and electronic ignition) ALL COUNTRIES EXCEPT EUROPE, SAUDI ARABIA AND AUSTRALIA ENGINE cylinder Valve timing (low lift camshaft) Compression ratio,. .............................................. 8.13: 1 Opens ............................................................ 36" B.T.D. C. Valve peak ...................................................... 99" A.T.D.C. Closes ............................................................ 64" A.B.D.C. Duration ......................................................... 280" Exhaust 119" B.T.D.C. CARBURETTERS Solex specification number.. ................................... 4000 Needle .............................................................. BIFQ Type ................................................................. Idle speed (engine hot).. ........................................ 700 to 750 (run-in engine) Fast idle speed (engine hot) .................................... 2 x Solex 175 CDSE 550 to 650 (new engine) to 1150 4 |