General Information

Brief Technical Specifications of Gasoline Engines

~2min read

PROCEDURE

Parameter HZ HK MH NU SC EZ GU
Number of cylinders 4 4 4 4 4 4 4
Cylinder bore, mm 75 75 75 75 75 81 81
Piston stroke, mm 59 72 72 59 75 77,4 86,4
Displacement, cm3 1043 1272 1272 1043 1272 1595 1781
Compression ratio 9,5 9,5 9,5 9,5 9,5 9,0 10,0
Rated power, kW (hp)/ crankshaft speed, rpm 37 (50) / 5900 40 (55) / 5400 40 (55) / 5400 37 (50) / 5200 47 (60) / 5400 55 (75) / 5200 66 (90) / 5200
Maximum torque, N·m / crankshaft speed, rpm 74/ 3900 96/ 3300 96/ 3400 94/ 3300 97/ 3100 125/ 2500 145/ 3300
Firing order 1–3–4–2
Cylinder Block Cast iron, linerless
Cylinder head Aluminum alloy with pressed-in valve guides and seats
Pistons Aluminum alloy with steel inserts. Pistons have two compression rings and one oil control ring
Crankshaft Steel, forged, five-bearing
Intake valve timing:
– opening before TDC 12° 3° 5° 5° 8° 5° 1°
– closing after BDC 28° 38° 29° 29° 24° 21° 37°
Exhaust valve timing:
– opening before BDC 25° 41° 33° 33° 29° 41° 42°
– closing after BDC 9° 3° 9° 9° 13° 3° 2°
Clearance between camshaft cams and valve adjusting shims on a cold engine (cylinder head temperature 20 °C), mm:
– intake valves 0,1+0,5 0,1+0,5 – – – 0,2 +0,5 0,2 +0,5
– exhaust valves 0,2 +0,5 0,2 +0,5 – – – 0,4 ±0,5 0,4 ±0,5
Engine oil pressure in the lubrication system, kg/cm²:
– at idle 0,3
– at crankshaft speed of 2000 min-1 2,0 – 0,6
Oil Filter Full-flow, replaceable
Air Filter With replaceable dry filter element
Fuel pump Mechanical, diaphragm type
Carburetor 31P1C-7 2E3 2E3 2E3 – 2E2 2E2
Ignition system K-Jetronic, KE-Jetronic, Digiget
Ignition System Contact breaker with distributor or transistor TSZ-H and electronic VEZ
Ignition timing advance angle, ° 5 5 5 5 5 18 18

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.