| Displacement |
| Enter displacement of engine in cubic centimeters. |
| Head Design |
|
| Head Porting |
|
| Peak Horsepower RPM |
| Enter RPM at which engine should generate its peak horsepower. |
| Elevation |
| Enter operating elevation of engine to determine effective horsepower loss due to pressure drop. |
| Boost |
| Enter boost pressure in psi. (set to 0 for NA setups) |
| Turbo Sizing |
|
| Vehicle Weight |
| Enter vehicle weight (with driver) to determine estimated 1/4 mile ET. |