Engine Mechanical Specifications-Unit Repair
| General Data | Engine Type | V8 | |
| Regular Production Option (RPO) | LS6 | ||
| Displacement | 346 CID | ||
| Bore | 3.897 - 3.898 inch | ||
| Stroke | 3.622 inch | ||
| Compression Ratio | 10.5:1 | ||
| Firing Order | 1-8-7-2-6-5-4-3 | ||
| Lubrication System | Oil Filter Type | PF44 | |
| Oil Type | Mobile 5W-30 Synthetic or Equivalent | ||
| Oil Capacity (With Filter Change) | 5.5 Quarts | ||
| Oil Capacity (Without Filter Change) | 5.0 Quarts | ||
| Oil Pressure (Minimum - Hot) | At 1,000 RPM (Revolutions Per Minute) | 6 psig | |
| At 2,000 RPM | 18 psig | ||
| At 4,000 RPM | 24 psig |