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| Turbo Model | GT1544S |
| Vehicle OE No | 90531518 |
| Model | Vectra/Astra |
| Engine | 20LC |
| ETP # | OE # | Ref # | |
| CHRA | 433289-0077 | ||
| Bearing Housing | 433275-0002 | ||
| Shaft & Wheel | 433290-0042 | ||
| Compressor Wheel | 433287-0004 | ||
| Back Plate | 700593-0001 | ||
| Heat Shield | 434302-0001 | ||
| Nozzle Ring Assembly | NA | ||
| Turbine Housing | 435788-0010 | ||
| Compressor Cover | 712291-0003 | ||
| Actuator | 433483-0002 | ||
| Repair Kit and Components | |||
| Calibration Data | |||
| VSR Balance Calibration | 0.7G Max 0 -90,000rpm / 1.5G Max 90,000 -138,000 | ||
| T/hsg Angle | 300 | ||
| C/hsg Angle | 334 | ||
| Actuator Calibration 1 | 0.350 = 8.50 -12.5 | ||
| Actuator Calibration 2 | - | ||
| Actuator Calibration 3 | - | ||
| ETP No. | |
| Turbo OE | 454098-0002 |
| Bearing Housing OE | 433275-0002 |
| Ref | |
| VNT or Non-VNT | NON |
| Oil or Water Cooled | OIL |
| Oil Inter(II) | |
| Turbine Housing Diameter(I) | 68 |
| ETP No. | |
| Turbo OE | 454098-0002 |
| Shaft & Wheel OE | 433290-0042 |
| Ref | |
| Inducer Diameter(I) | 42.3 |
| Exducer Diameter(II) | 32.2 |
| Tip Height(III) | 6 |
| Journal Bearing Diameter(IV) | 7.9 |
| Comp Wheel Bore(V) | 5.1 |
| Number of Blades | 10 |
| Type Of Shaft | Slender |
| ETP No. | |
| Turbo OE | 454098-0002 |
| Compressor Wheel OE | 433287-0004 |
| Ref | |
| Inducer Diameter(III) | 33 |
| Exducer Diameter(IV) | 44 |
| Tip Height(II) | 4.5 |
| Total Height(I) | 22.5 |
| Number of Blades | 6 |
| Flatback / Superback(Trim) | Superback |
| Shaft / Bore | 5.1 |
| ETP No. | |
| Turbo OE | 454098-0002 |
| Seal Plate & Back Plate OE | 700593-0001 |
| Ref | |
| Plate Diameter(III) | 45.00 |
| Plate Diameter(II) | 84.15 |
| Plate Diameter(I) | 95 |
| Plate Depth(IV) | 12 |
| Plate Diameter(V) | 10 |
| Flatback / Superback | Superback |
