403


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Vue détaillée : 1ere partie

Liste des pièces : 1ere partie

Vue détaillée : 2eme partie

Liste des pièces : 2eme partie

Couples de serrage

Ordre D'allumage

Ordre Serrage pipe d'admission

Ordre Serrage Culasses

Cablage durites dépressions

Identification du moteur :

Emplacements Cylindrée / Casting Number

Identification du moteur :

Cylindrée

Identification du moteur :

Casting number

Identification du moteur :

Casting number

 

ENTRETIEN
Spark Plug Type R46SZ *
Spark Plug Tightening torque (lb.ft.) 25 Ft.Lbs (34 Nm) *
Spark Plug Gap .060 (1.524 mm) *
Oil Filter Type PF45 - PF24 - PF61
PCV Valve Type CV679C
Air Filter Type A212CW (A366C FOR ALL T/A MODELS)
Fuel Filter Type GF471
Thermostat Temp. Spec. 195°F (91°C)
PCV Filter Type F856
Transmission Filter Kit TF171

* : 1978/79 Pontiac Service Manual Specifications

CAPACITES LIQUIDES
Fuel Tank 20.8 US. Gal. (76.7 Litres)
Cooling System (std) 17.4 US Qt. (16.4 Litres)
Cooling System (With Air Cond.) 18 US Qt. (17 Litres)
Cooling System (H.D.) 18.1 US Qt. (17.1 Litres)
Engine Crankcase (With Filter Change) 5 US Qt. (4.7 Litres)
Engine Crankcase (Without Filter Change) 4 US Qt. (3.7 Litres)
Transmission (TH350) Refill After Draining 6.0 US Pt. (2.8 Litres)
Transmission (TH350) Refill After Disassembly 18.0 US Pt. (8.5 Litres)
Differential 4.2 US Pt. (1.9 Litres)
Power Steering System (Pump Only) 0.5 US Qt. (0.2 Litres)
Power Steering System (Complete System) 1.2 US Qt. (0.5 Litres)

 

CASTING NUMBERS
CASTING NUMBER
PROD. YEAR
TYPE
557265-4B
1977-1979
WINDOWED BLOCK
557265-4A
1977
SOLID BLOCK
553990-4A
1977
SOLID BLOCK
554990-4A
1977
SOLID BLOCK

LINK : Solid / Windowed Main Bearing Webs

WINDOWED BLOCK :

 

Description Détaillée 403/L80

GENERAL
Total dressed engine mass (wt) dry 296.0 AT (652.56 AT)
Type V8 90° OHV
Nb of cylinders 8
Bore 4.351
Stroke 3.385
Piston Displacement (inch3) 403 cid
Bore Spacing 4.625
Cyl Nb System (front to rear) L Bank 1-3-5-7
Cyl Nb System (front to rear) R Bank 2-4-6-8
Firing Order 1-8-4-3-6-5-7-2
Cylinder Head Material CAST IRON ALLOY
Cylinder Black Material CAST IRON ALLOY
Number of mounting points - Front two
Number of mounting points - Rear one
Engine Installation Angle 4.30
Recommended fuel UNLEADED - 91 (OR HIGHER) RESEARCH OCTANE
Cylinder Head Volume - cm3 82.99
Head Gasket Thickness (Compressed) .040 - .044
Head Gasket Volume - cm3 10.48
Deck Clearance (minimum) (above or below block) .0130 (MIN. BELOW)
Minimum Combustion Chamber Volume - cm3 113.80

 

COMPLETE DESCRIPTION