| WCCH Stage 2 CNC Ported LS6 #243 Casting Flow Data @ 28" Water: | ||
| Valve Lift | Intake | Exhaust |
| .100" | 70.1 | 58.1 |
| .200" | 142.4 | 119.1 |
| .300" | 202.0 | 167.2 |
| .400" | 246.1 | 205.6 |
| .500" | 287.7 | 221.5 |
| .550" | 300.8 | 229.7 |
| .575" | 307.2 | 231.9 |
| .600" | 311.6 | 233.9 |
| .650" | 312.7 | 234.4 |
| Intake runner volume = 233.3cc | ||
| Exhaust runner volume = 86.3cc | ||
| Combustion chamber volume = 69.0cc (w/min.mill) | ||
| Test bore = 4.030" | ||
| Intake port tested with radius flow plate | ||
| Exhaust tested with stub pipe | ||