Nissan A13

Nissan A13The Nissan A13 is a 1.3 l (1,288 cc, 78.6 cu-in) in-line over head valve four-cylinder 4-stroke gasoline engine from Nissan A-family. The engine was manufactured by Nissan Motor Company from 1974 through 1982.

The A13 (1974) was tall-deck engine. It features lightweight cast-iron block with a fully balanced five-bearings crankshaft and an aluminum head with overhead valves and a single camshaft. Bore and stroke are 73.0 mm (2.87 in) and 77.0 mm (3.03 in), respectively. Compression ratio rating was 8.5:1. It produced 76 PS (56 kW; 75 HP) of maximum horsepower and 105 Nm (10.71 kg·m; 77.49 ft·lb) of torque.

The A13 (1979–1982) was a short-deck engine. It had 70.0 mm (2.76 in) of cylinder bore and 76.0 mm (2.99 in) of piston stroke, and 1,270 cc of total displacement.

The breakdown of the engine code is as follows:

  • A – Engine Family
  • 13 – 1.3 Liter Displacement
  • S – Carburetor type

General information

Engine Specifications (1974)
Engine codeA13
LayoutFour stroke, Inline-4 (Straight-4)
Fuel typeGasoline (petrol)
Displacement1.3 L, 1,288 cc (78.6 cu in)
Fuel systemCarburetor type
Power adderNone
Power output76 PS (56 KW; 75 HP)
Torque output105 Nm (10.71 kg·m; 77.49 ft·lb)
Firing order1-3-4-2
Dimensions (L x W x H):

Cylinder block

Cylinder block (1974)
Cylinder block alloyCast iron
Compression ratio:8.5:1
Cylinder bore:70.0 mm (2.76 in))
Piston stroke:76.0 mm (2.99 in)
Number of piston rings (compression / oil):2 / 1
Number of main bearings:5
Cylinder inner diameter (standard):73.000-73.050 mm (2.874-2.876 in)
Piston skirt diameter (standard):72.967-73.017 mm (2.873-2.875 in)
Crankshaft journal diameter:49.951 – 49.964 (1.9666 – 1.9671)
Crankpin diameter:44.961 – 44.974 (1.7701 – 1.7706)

Cylinder head

Cylinder head
Valve Arrangement:OHV, chain drive
Valves:8 (2 valves per cylinder)
Valve head diameter:INTAKE37.0 mm (1.457 in)
EXHAUST30.0 mm (1.181 in)
Valve length:INTAKE102.35-102.65 mm (4.030-4.031 in)
EXHAUST102.35-102.65 mm (4.030-4.031 in)
Valve spring free length:46.5 mm (1.831)
Camshaft lobe height:INTAKE36.20-36.25 mm (1.425-1.427 in)
EXHAUST36.93-36.98 mm (1.454-1.456 in)

Maintenance data

Valve clearance (Cold)
Intake valve0.25 mm (0.0098 in)
Exhaust valve
Valve clearance (Hot)
Intake valve0.35 mm (0.0138 in)
Exhaust valve
Oil system
Oil consumption , L/1000 km (qt. per miles)up to 0.5 (1 qt. per 1200 miles)
Recommended engine oil 5W-30, 5W-40, 10W-30, 10W-40
Engine oil capacity (Refill capacity) With oil filter 3.3 l (3.5 qt.)
Without oil filter 2.8 l (3.0 qt.)
Oil change interval, km (miles)5,000-10,000 (3,000-6,000)
Ignition system
Ignition coilBPR5ES (NGK)

Vehicle applications

ModelYears Produced
Nissan Sunny/ Datsun (B210)1974
Nissan Sunny (B310)1980–1982
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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