Mitsubishi Lancer Evolution VI User Manual

ENGINE – Cylinder Head and Valves
11-50
VALVE GUIDE REPLACEMENT PROCEDURE
(1) Force the valve guide out toward the cylinder block using
a press.
(2) Machine the valve guide hole in the cylinder head to
the size of the oversize valve guide to be installed.
Caution
Do not use the valve guide of the same size as the
removed one.
Valve gauge hole diameters in cylinder head
Item Standard value mm
0.05 O.S. 12.05 – 12.07
0.25 O.S. 12.25 – 12.27
0.50 O.S. 12.50 – 12.52
(3) Press-fit the valve guide until it protrude specified value
19.5 mm as shown in the illustration.
Caution
1. Press the valve guide from the cylinder head top
surface.
2. Valve guide for intake valve and that for exhaust
valve are different in length. (45.5 mm for intake
valve; 50.5 mm for exhaust valve)
(4) After the valve guide has been installed, insert a new
valve to check for smooth sliding motion.
1EN0106
Protrusion

Mitsubishi Lancer Evolution VI Specifications

General

Transmission	5-speed manual
Drivetrain	All-Wheel Drive
Engine Code	4G63
Compression Ratio	8.8:1
Fuel System	Multi-point Fuel Injection
Front Brakes	Ventilated discs
Rear Brakes	Ventilated discs
Wheelbase	2510 mm
Length	4350 mm
Width	1770 mm
Height	1415 mm
Engine Type	Inline 4
Horsepower	276 hp
Torque	275 lb-ft @ 3000 rpm
Top Speed	155 mph (electronically limited)
Displacement	1997 cc
Bore x Stroke	85.0 mm x 88.0 mm
Maximum Power	276 hp @ 6500 rpm
Maximum Torque	373 N⋅m (275 lb⋅ft) @ 3000 rpm
Front Suspension	MacPherson strut
Rear Suspension	Multi-link
Curb Weight	1360 kg
Fuel Tank Capacity	50 L