Home » Racing Engines » Porsche Type 528/589
Specifications
Porsche B4 1300 type 589, 1500 type 528
Introduced in 1952
Dimensions
Cylinders arrangement: Boxer 'flat' 4 cylinders, or V4 with 180ยบ included angle, and opposed pistons
Strokes: 4
Fuel: petrol
| Engine | Bore x Stroke | Capacity |
|---|---|---|
| 589 | 74.5 mm x 74.0 mm, 2.93" x 2.91" | 1290 cc, 78.5ci |
| 528 | 80.0 mm x 74.0 mm, 3.15" x 2.91" | 1488 cc, 90.7ci |
| 528/550 | 80.5 mm x 74.0 mm, 3.17" x 2.91" | 1506 cc, 91.9ci |
Construction materials
magnesium crankcase, aluminium finned cylinders with nicasil coatings, aluminium alloy finned cylinderhead
Steel crankshaft with 3 main bearings
Steel connecting rod, 136 mm distance center to center, 55 mm big end hole diameter, 19.75mm big end width, 22 mm small end hole diameter, 21mm small end width, 1/4 ARP 625 Bolts
JE forged aluminium high dome Pistons, cast iron rings
Cylinder-head
side camshaft with overhead valves (OHV), gear driven
2 valves per cylinder - 8 valves total
Aspiration
- 2 x Solex 32 PBI Carburetors
- 2 x Solex 40 PBIC Carburetors
Ignition
Firing order 1 - 4 - 3 - 2battery, 6V, 75 Ah
Source
Cooling and lubrication
air cooled
Wet sump with oil cooler, 4.5 lt oil capacity
Models used and Output
| Year | Model | Induction | Compression ratio | Power | Torque |
|---|---|---|---|---|---|
| 1951 | Porsche 356 1500 Type 527 |
2 x Solex 32 PBI Carbs | 7.0:1 | 60 bhp / 44 kW @ 4800 rpm | 100 Nm / 74 ft lbs @ 3250 rpm |
| 1952 | Porsche 356 1500 Super Type 528 |
2 x Solex 40 PBIC Carbs | 8.2:1 | 70 bhp / 51.5 kW @ 5000 rpm | 107 Nm / 79 ft lbs @ 3500 rpm |
| 1953 | Porsche 356 1300 Type 506/1 |
2 x Solex 32 PBI Carbs | 6.5:1 | 44 bhp / 32.5 kW @ 4200 rpm | 80.9 Nm / 60 ft lbs @ 2800 rpm |
| 1953 | Porsche 356 1300 Super Type 589 |
2 x Solex 40 PBIC Carbs | 8.2:1 | 60 bhp / 44 kW @ 5500 rpm | 86.3 Nm / 64 ft lbs @ 3600 rpm |
| 1953 | Porsche 356 1500 Type 546 |
2 x Solex 32 PBI Carbs | 6.5:1 | 54 bhp / 40.5 kW @ 4400 rpm | 103 Nm / 76 ft lbs @ 2500 rpm |
| 1953 | Porsche 550 1500 Type 528/550 |
2 x Solex 40 PBIC Carbs | 9.0:1 | 78 bhp / 58 kw @ 5300 rpm | 88.5 ft/lbs @ 4000 rpm |
Drawings
Solex PBI carburetors
Source