Engine - 4.0 V8

Type
4.0 Litre V8

Firing order
1-8-4-3-6-5-7-2

Cylinder Numbers
Left bank
1-3-5-7
Right bank
2-4-6-8

No 1 Cylinder location
Pulley end of left bank

Spark plugs
Make and type
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 mm 0.040 in

Valve timing Inlet Exhaust
Opens 28°BTDC 66°BBDC
Closes 77°ABDC 39°ATDC

Idle speed - controlled by Engine Management System
Up to 99MY
700 ± 20 rev/mm
From 99MY
660 rev/mm

Base idle setting
Not adjustable (idle air control valve position checked via Testbook)

CO at idle (vehicles without heated oxygen sensors)
Up to 99MY
1.0-2.0%
From 99MY
0.5 - 1.0 %

Calculated Load Value (CLV) - Engine fully warm, in neutral gear, with all loads off
At Idle
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
At Idle
20kg/hr ± 3 kg\hr
At 2500 rev/mm
60 kg\hr ± 3 kg\hr