Engine Compression
Check compression with engine warm, ail spark plugs removed and throttle wide open. Crank engine through at least 6 compression strokes per cylinder to determine engine compression.
COMPRESSION SPECIFICATIONS
| Compression Ratio | ||
| 4000 | 8.2:1 | |
| 5000 | 8.0:1 | |
| 5000 Turbo | 7.0:1 | |
| Quattro | 7.0:1 | |
| Compression Pressure | ||
| All Except Turbo | ||
| Normal (New Engine) | 131-174 psi (9-12 kg/cm2 ) | |
| Minimum | 102 psi (7 kg/cm2 ) | |
| Turbo | ||
| Normal (New Engine) | 100-131 psi (7-9 kg/cm2 ) | |
| Minimum | 72 psi (5 kg/cm2 ) | |
| Max. Variation Between Cylinders | ||
| All Except Turbo | 44 psi (3 kg/cm2 ) | |
| Turbo | 28 psi (2 kg/cm2 ) | |