|
|
ENGINE TUNING DATA 1 INFORMATION ENGINE - 4.0 V8 Type 4.0 Litre V8 ................................................................................. Firing order 1-8-4-3-6-5-7-2 ..................................................................... Cylinder Numbers 1-3-5-7 .......................................................................... Right bank 2-4-6-8 ........................................................................ No 1 Cylinder location Pulley end of left bank ................................................... Spark plugs Up to 99MY Champion RN11YCC ............................................................. From 99MY Champion RC11PYB4 ............................................................. Gap Up to 99MY 0.90 - 1.00 mm ............................................................. 0.035 - 0.040 in From 99MY 1.00 ± 0.05 mm ............................................................. 0.040 ± 0.002 in NOTE: Do not attempt to adjust the gaps of RC11PYB4 spark plugs. Valve timing Inlet Exhaust Opens 28 ° BTDC .............................................................................. 66 ° BBDC Closes 77 ° ABDC .............................................................................. 39 ° ATDC Idle speed - controlled by Engine Management System 700 ± 20 rev/min ...................................................................... From 99MY 660 rev/min ...................................................................... Base idle setting Not adjustable (idle air control valve position checked ............................................................. via TestBook) CO at idle (vehicles without heated oxygen sensors) 1.0 - 2.0 % ...................................................................... From 99MY 0.5 - 1.0 % ...................................................................... Calculated Load Value (CLV) - Engine fully warm, in neutral gear, with all loads off 2.8 to 3.8% ............................................................................... At 2500 rev/min 10% ± 1% ................................................................ Air mass flow at sea level - Engine fully warm, in neutral gear, with all loads off 20 ± 3 kg/hr ............................................................................... At 2500 rev/min 60 ± 3 kg/hr ................................................................ |