ENGINE COMPRESSION
| Application | Specification |
|---|
| Compression Ratio |
| C70, S70 & V70 |
| Non-Turbo | 10.3:1 |
| Turbo (1) |
| High Pressure (B5234T3, B5244T2) | 8.5:1 |
| Low Pressure (B5244T3) | 9.0:1 |
| S80 |
| Non-Turbo | 10.7:1 |
| Turbo | 8.7:1 |
| (1) Compression ration for engines B5254T and B5234T8 are not available from manufactuer. |
| (1) | Compression ration for engines B5254T and B5234T8 are not available from manufactuer. |
COMPRESSION RATIO SPECIFICATIONS
| Engine Type | Compression Value |
|---|
| Turbo | 160-189 psi (1.1-1.3 MPa) |
| Turbo Type LT | 174-203 psi (1.2-1.4 MPa) |
| Non-Turbo | 189-218 psi (1.3-1.5 MPa) |
CYLINDER COMPRESSION SPECIFICATIONS
1999 Models
Engine is equipped with hydraulic lifters. No valve adjustment is necessary.
2000 Models
| Application | Clearance - In. (mm) |
|---|
| Intake | 006-.018 (0.15-0.45) |
| Exhaust | .014-.024 (0.35-0.60) |
| (1) Clearance is measured with engine at room temperature. |
| (1) | Clearance is measured with engine at room temperature. |
VALVE CLEARANCE SPECIFICATIONS (1)
IGNITION COIL
Ignition coil resistance specifications are not available from manufacturer.
SPARK PLUGS
Spark plug gap specifications are not available from manufacturer.
| Application | Part No. |
|---|
| C70, S70 & V70 |
| Non-Turbo | 8642660 |
| Turbo | 8692071 |
| S80 |
| Non-Turbo | 8642661 |
| Turbo | 8692072 |
| Application | Ft. Lbs. (N.m) |
|---|
| C70, S70 & V70 | 18 (25) |
| S80 | 18 (25) |
SPARK PLUG TORQUE SPECIFICATIONS
FIRING ORDER
Refer to appropriate illustration for firing order and distributor rotation. (Scheme 1)or (Scheme 2).
Firing Order (C70, S70 & V70). Scheme 1
Scheme 1: Firing Order (C70, S70 & V70)
Firing Order (S80). Scheme 2
Scheme 2: Firing Order (S80)
IGNITION TIMING
Ignition timing is computer-controlled and is not adjustable.
FUEL PUMP
| Application | Pressure psi (kPa) | Volume In Qts/Min. (L/Min.) |
|---|
| C/S/V 70 Turbo Models & S80 | 54.4-57.3 (375-395) | (2) 132 (125) |
| S/V 70 Non-Turbo Models | (3) 43.5 (300) | (4) |
| (1) On Turbo model fuel pumps, power draw is 7.5 amps at 13 V, with pressure of 55.1 psi (380 kPa). (2) Measured at 55.1 psi (380 kPa) pressure. (3) Measured with ignition key on and engine off. (4) Information not available from manufacturer. |
| (1) | On Turbo model fuel pumps, power draw is 7.5 amps at 13 V, with pressure of 55.1 psi (380 kPa). |
| (2) | Measured at 55.1 psi (380 kPa) pressure. |
| (3) | Measured with ignition key on and engine off. |
| (4) | Information not available from manufacturer. |
FUEL PUMP PERFORMANCE (1)
Note. For all models, residual fuel pressure should not drop below 29 psi (200 kPa) within 20 minutes of shutting off engine.
IDLE SPEED & MIXTURE
| Application | Idle RPM | (2) CO Level |
|---|
| C70, S70 & V70 | (3) 850 | (3) .2-1.0% |
| S80 | 750 | .2-1.0% |
| (1) Idle speed can only be checked, not adjusted. On C70, S70 & V70, CO level can only be checked. (2) Measured upstream of catalytic converter with oxygen sensor connected. (3) With cooling fan on. |
| (1) | Idle speed can only be checked, not adjusted. On C70, S70 & V70, CO level can only be checked. |
| (2) | Measured upstream of catalytic converter with oxygen sensor connected. |
IDLE SPEED & CO LEVEL (1)
FAST IDLE
Note. All idle speeds are controlled by electronic control unit. Specifications on fast idle are not available from manufacturer.
ACCELERATOR PEDAL POSITION SENSOR
Accelerator pedal position sensor specifications are not available from manufacturer.
