Cylinder Head Assembly

FASTENER TIGHTENING SPECIFICATIONS

Cylinder Head Bolt
6 Point Head
First Pass 29 lb. ft. (39 Nm)
Second Pass 51 lb. ft. (69 Nm)
Final Pass 72 lb. ft. (98 Nm)

Cylinder Head Bolt
12 Point Head
New Bolt
First Pass 21 lb. ft. (29 Nm)
Second Pass 90 Degrees
Third Pass 90 Degrees
Final Pass 90 Degrees

Cylinder Head Bolt
12 Point Head
Used Bolt
First Pass 21 lb. ft. (29 Nm)
Second Pass 90 Degrees
Final Pass 90 Degrees

Cylinder Head-to-Catalytic Converter Studs 16 lb. ft. (22 Nm)

ENGINE MECHANICAL SPECIFICATIONS

Combustion Chamber Volume 51.3 cu cm (3.13 cu in)

Cylinder Head Height/Thickness 120.95 - 121.05 mm (4.762 - 4.766 in.)

Surface Flatness
Block Deck 0.05 mm (0.002 in.)
Exhaust Manifold Deck 0.05 mm (0.002 in.)
Intake Manifold Deck 0.05 mm (0.002 in.)

Resurface Limit
Block Deck 0.2 mm (90.008 in.)

Valve Guide Bore - Exhaust
Production 5.515-5.53 mm (0.2171 - 0.2178 in.)
Service 5.55 mm (0.219 in.)

Valve Guide Bore - Intake
Production 5.515-5.530 mm (0.2171 - 0.2177 in.)
Service 5.55 mm (90.219 in.)

Valve Guide Installed Height
Exhaust 20.63 - 21.63 mm (0.812 - 0.852 in.)
Intake 21.2 - 22.2 mm (0.835 - 0.874 in.)