ENGINE COMPRESSION
| Application | Specification |
| Compression Ratio |
| C70, S70 & V70 |
| Non-Turbo | 10.3:1 |
| Turbo |
| High Pressure | 8.5:1 |
| Low Pressure | 9.0:1 |
| S90 & V90 | 10.7:1 |
COMPRESSION SPECIFICATIONS
IGNITION COIL
| Application | Primary | Secondary |
| C70, S70 & V70 |
| Non-Turbo | .5 | 8400 |
| Turbo | .5-1.5 | 8000-9000 |
| S90 & V90 | .5 | 8000-9000 |
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
SPARK PLUGS
| Application | Specification |
| C70, S70 & V70 |
| Non-Turbo | Bosch FR7DC |
| Turbo | Bosch RC8PYP |
| S90 & V90 | Bosch FR6DC |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
| C70, S70 & V70 | .028-.032 (.70-.80) | 18 (25) |
| S90 & V90 | .024-.028 (.60-.70) | 18 (25) |
SPARK PLUG SPECIFICATIONS
FIRING ORDER
Refer to appropriate illustration for firing order and distributor rotation. (Scheme 1)or (Scheme 2).
Firing Order & Distributor Rotation (C70, S70 & V70). Scheme 1
Scheme 1: Firing Order & Distributor Rotation (C70, S70 & V70)
Firing Order (S90 & V90). Scheme 2
Scheme 2: Firing Order (S90 & V90)
IGNITION TIMING
| Application | (1) Timing |
| C70, S70 & V70 | 5-6 @ 850 |
| S90 & V90 | 7-11 @ 750 |
| (1) Ignition timing is computer-controlled and is not adjustable. |
| (1) | Ignition timing is computer-controlled and is not adjustable. |
IGNITION TIMING (Degrees BTDC @ RPM)
FUEL PUMP
| Application | Pressure psi (kg/cm 2 ) | Volume In 30 Sec. Pts. (L) |
| All Models | 42.6 (3.00) | 1.4 (.53) |
| (1) At 12 volts, 68°F (20°C), with engine off and fuel pump relay by-passed. |
| (1) | At 12 volts, 68°F (20°C), with engine off and fuel pump relay by-passed. |
FUEL PUMP PERFORMANCE (1)
IDLE SPEED & MIXTURE
| Application | Idle RPM | (2) CO Level |
| C70, S70 & V70 | (3) 850 | (3) .2-1.0% |
| S90 & V90 | 750 | .2-1.0% |
| (1) Idle speed can only be checked, not adjusted. On C70, S70 & V70, CO level can only be checked. For S80 & V90 CO adjustment, see ADJUSTMENTS article. (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. For S80 & V90 CO adjustment, see ADJUSTMENTS article. |
| (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.
THROTTLE SWITCH
See ADJUSTMENTS article for switch adjustments.