Technical Data - ALFA ROMEO AR 30.520 (1 CARB)
Manufacturer ALFA ROMEO
AR 30.520 (1 CARB) - C - SOHC/OHC - Boxer
| Engine Type | AR 30.520 (1 CARB) |
| Fuel Supply System | C |
| Note | SOHC/OHC - Boxer |
| Cc | 1490 |
| Number of Cylinders | 4 |
| Bore Ø | 84.00 |
| Stroke | 67.20 |
| KW | 70 |
| Compression | 9.00 |
| KBA No. (Germany) | 4114371 |
| Type Mines | 905A3C |
| Technical Information Number | Technical Data | Information |
|---|---|---|
| ····Engine Code | ||
| Compression-------------- | ||
| ····Compression - Ratio | ||
| ····Compression - Pressure [bar] | ||
| ····Cylinder - Differential pressure | ||
| ····Wear limitation | ||
| Refs------ | ||
| ····Idle, min. | ||
| Exhaust Gas, value------- | ||
| ····CO Measurement, Idle | ||
| ····CO2 Measurement, Idle [%] | ||
| ····HC Measurement, Idle | ||
| Oil Pressure------------- | ||
| ····Status (Operating Mode / Cold Check) | ||
| ····Idle, min. | ||
| ····Rated Capacity | ||
| Thermostat | ||
| ····Thermostat, Opening Temperature | ||
| Ignition Timing---------- | ||
| ····Ignition System | ||
| Ignition - Row----------- | ||
| Pressure, Radiator Cap--- | ||
| ····Opening Pressure | ||
| =<>= | ||
| General Information - Cylinder Head ------------------------- | ||
| ··Cylinder Head - Number | ||
| ··Material, Surface | ||
| ··Unleaded - Design | ||
| ··Cylinder Head - Height | ||
| ··Height (Min.) - Machined | ||
| ····Chamber - Contents (Min.) | ||
| ··warpage (value) - Cylinder Head | ||
| ····Wear limitation | ||
| Valves---- | ||
| ··Valve Clearance [mm] | ||
| ····Operating Mode / Cold Check | ||
| ····Inlet | ||
| ····Exhaust | ||
| ··Valve Actuation, Setting | ||
| ····Inlet / Open (° before TDC) | ||
| ····Inlet / Closed (° after BDC) | ||
| ····Exhaust / Open (° before BDC) | ||
| ····Exhaust / Closed (° after TDC) | ||
| ··Valve Head Diameter [D] | ||
| ····Inlet | ||
| ····Exhaust | ||
| ··Valve stem diameter [d] - Inlet | ||
| ··Valve stem diameter [d] - Exhaust | ||
| Valve Spring------------- | ||
| ··Fitting Position | ||
| ··Capacitive Load => Length 1 [mm] | ||
| ····Inlet - inner | ||
| ····Inlet - Outer | ||
| Valve Guides------------- | ||
| ··Temperature Range [°C] - Press-out | ||
| ··Fitted Height | ||
| ··Valve Guide - Length [mm] | ||
| ····Inlet | ||
| ····Exhaust | ||
| ··Inner Diameter - Standard Size | ||
| ··Outer Diameter - Standard Size | ||
| ··Outer Diameter - 1st Oversize | ||
| ··Outer Diameter - 2nd Oversize | ||
| ··Outer Diameter - 3rd Oversize | ||
| ··Bore - Holder, Valve Guides (Standard Size) | ||
| ··Clearance - Valve => Valve Guides | ||
| ····Inlet | ||
| ····Wear limitation - Inlet | ||
| ····Exhaust | ||
| ····Wear limitation - Outlet | ||
| ··Press-fitted, Valve Guides | ||
| ····Oversize | ||
| Valve seat | ||
| ··Valve Seat Angle (B) | ||
| ··Adaptation - Angle (B1) | ||
| ····Inlet | ||
| ····Exhaust | ||
| ··Adaptation - Angle (B2) | ||
| ··Valve Seat - Measurement (A) | ||
| ····Inlet | ||
| ····Exhaust | ||
| ··Valve Seat - Diameter (D2) | ||
| ····Inlet | ||
| ····Exhaust | ||
| ··Valve Seat - Outer Diameter, Standard Size | ||
| ····Inlet 1 | ||
| ····Exhaust | ||
| ··Bore - Holder, Valve Seat (Standard Size) | ||
| ····Inlet | ||
| ····Exhaust | ||
| ··Cylinder Head, Temperature - Press-fitted | ||
| ··Valve Seat, Temperature - Press-fitted | ||
| Valve Lifter------------- | ||
| ··Type | ||
| ··Diameter - Valve Lifter | ||
| ··Bore - Holder, Rocker/ Tappet | ||
| ··Clearance, Radial - Valve Lifter | ||
| ····Wear limitation | ||
| Camshaft-- | ||
| ··Bore - Holder, Camshaft Bushes (Standard Size) | ||
| ····1st Bearing | ||
| ····2nd Bearing | ||
| ····3rd Bearing | ||
| ··Diameter, Bearing Journal - Camshaft (Standard Size) | ||
| ····1st Bearing | ||
| ····2nd Bearing | ||
| ····3rd Bearing | ||
| ··Clearance, Radial - Camshaft Bushes | ||
| ····1st Bearing | ||
| ····2nd Bearing | ||
| ····3rd Bearing | ||
| ··Clearance, Axial - Camshaft Bushes | ||
| ··Cam Lobe Height (Total) | ||
| ····Inlet | ||
| ····Exhaust | ||
| =<>= | ||
| General Information - Engine Block | ||
| ··Bore - Holder, Main Bearings (Engine Block) | ||
| ····1st Bearing | ||
| ····2nd Bearing | ||
| ····3rd Bearing | ||
| Cylinder Sleeve---------- | ||
| ··Bore | ||
| ··Bore | ||
| ····Standard Size | ||
| ····Wear limitation | ||
| ····1st Oversize | ||
| ····2nd Oversize | ||
| ····3rd Oversize | ||
| ··Measurement - Oval, Bore (Cylinder Sleeve) | ||
| ····Standard Size | ||
| ····Wear limitation | ||
| ··Measurement - Conical | ||
| ····Standard Size | ||
| ····Wear limitation | ||
| Piston---- | ||
| ··Fitting Position | ||
| ··Diameter - Piston | ||
| ····Standard Size | ||
| ····1st Oversize | ||
| ····2nd Oversize | ||
| ····3rd Oversize | ||
| Gudgeon Pin-------------- | ||
| ··Diameter - Gudgeon Pin (Eye) | ||
| ··Clearance, Radial - Gudgeon Pin | ||
| ····Clearance, Radial - Small End Bush / Gudgeon Pin | ||
| ····Press-fitted (Temperature -C°) | ||
| Piston Ring Set---------- | ||
| ··Height, 1st Piston Ring (Compression) | ||
| ··Height, 2nd Piston Ring (Compression) | ||
| ··Height, Piston Ring (Oil Trap) | ||
| ··Piston Ring, Groove | ||
| ··1st Piston Ring, Lock - Clearance (Compression) | ||
| ··1st Piston Ring, Lock - Clearance (Compression) | ||
| ····Wear limitation | ||
| ··2nd Piston Ring, Lock - Clearance (Compression) | ||
| ··2nd Piston Ring, Lock - Clearance (Compression) | ||
| ····Wear limitation | ||
| ··Piston Ring, Lock - Clearance (Oil Trap) | ||
| ··Piston Ring, Lock - Clearance (Oil Trap) | ||
| ····Wear limitation | ||
| ··1st Piston Ring, Height - Clearance (Compression) | ||
| ····Wear limitation | ||
| ··2nd Piston Ring, Height - Clearance (Compression) | ||
| ····Wear limitation | ||
| ··Piston Ring, Height - Clearance (Oil Trap) | ||
| ····Wear limitation | ||
| Connecting Rod----------- | ||
| ··Fitting Position | ||
| ··Bore - Holder, Connecting Rod (Small End Bushes) | ||
| ··Bore - Holder, Connecting Rod (Big End Bearing) | ||
| ··Clearance, Radial - Big End Bearing | ||
| ····Wear limitation | ||
| ····Wear limitation | ||
| ··Clearance, Axial - Big End Bearing | ||
| ··Diameter, Bearing Journal - Connecting Rod | ||
| ····Standard Size | ||
| ····1st Undersize | ||
| ····2nd Undersize | ||
| ····3rd Undersize | ||
| ····4th Undersize | ||
| ··Bearing Journal, Connecting Rod - Tolerance (Oval) | ||
| ····Bearing Journal, Connecting Rod - Oval (Max.) | ||
| ····Wear limitation | ||
| ··Bearing Journal, Connecting Rod - Conical (Max.) | ||
| ····Wear limitation | ||
| ··Small End Bushes | ||
| ····Inner Diameter | ||
| Crankshaft | ||
| ··Number of bearings | ||
| ··Centering - Crankshaft (Tolerance) | ||
| ··Grindable | ||
| ····Rolling after treatment | ||
| ··Diameter, Bearing Journal - Crankshaft (Standard Size) | ||
| ··Diameter, Bearing Journal - Crankshaft (1st Undersize) | ||
| ··Diameter, Bearing Journal - Crankshaft (2nd Undersize) | ||
| ··Diameter, Bearing Journal - Crankshaft (3rd Undersize) | ||
| ··Diameter, Bearing Journal - Crankshaft (4th Undersize) | ||
| Main Bearings (Thrust Bearing) | ||
| ····Standard Size | ||
| ····1st Oversize | ||
| ····2nd Oversize | ||
| ····3rd Oversize | ||
| ····4th Oversize | ||
| ··Bearing Journal, Crankshaft - Conical (Max.) | ||
| ····Wear limitation | ||
| ··Bearing Journal, Crankshaft - Oval (Max.) | ||
| ····Wear limitation | ||
| ··Clearance - Main Bearing, crankshaft | ||
| ····1st Bearing | ||
| ····2nd Bearing | ||
| ····3rd Bearing | ||
| ··Bearing clearance - Axial Bearing | ||
| ····Wear limitation | ||
| Main Bearing scales, crankshaft ----------------------------- | ||
| ··Thickness, Axial Bearing (Bearing Shell) | ||
| ····Fitting Position | ||
| ····Standard Size | ||
| ····1st Oversize | ||
| Cooling System----------- | ||
| ··Type | ||
| =<>= | ||
| Engine Timing Control | ||
| Valve Cover-------------- | ||
| Cylinder Head Bolts------ | ||
| ····Stage 1 | ||
| ····Stage 2 | ||
| ····Stage 3 | ||
| ····Stage 4 | ||
| ····Stage 5 | ||
| ····Stage 6 | ||
| ····Stage 7 | ||
| Main Bearing Cap, crankshaft -------------------------------- | ||
| ····Stage 1 | ||
| ····Stage 2 | ||
| ····Stage 3 | ||
| ····Stage 4 | ||
| ····Stage 5 | ||
| Bearing Cap, connecting rod | ||
| Crankshaft | ||
| Crankshaft Gear---------- | ||
| Flywheel-- | ||
| Drive gear - Camshaft---- | ||
| Timing Case-------------- | ||
| ··Timing Case, Cover | ||
| ··Timing Belt Tensioner | ||
| Alternator | ||
| Spark Plug | ||
| Water Pump | ||
| Oil Pump-- | ||
| Oil Pan--- | ||
| Intake Manifold---------- |
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