Turbo Sizing Calculator
Turbocharger selection from engine displacement and power target.
Inputs
%
Results
Pressure ratio
1.95
Required airflow (CFM)
1,220.9
Engine demand (CFM)1,220.9
HP-based flow (CFM)52.6
Compressor outlet (°F)438
Temp rise (°F)363
Displacement (L)5.74
Suggested turbine A/R0.96
Turbo ClassVery large frame (GT42+ / T4-88+)
How to Use This Calculator
- Enter Engine displacement (ci), Target HP, and Boost pressure (PSI).
- Set Peak RPM, Ambient temp (°F), and Compressor efficiency (%).
- Review Pressure ratio and Required airflow (CFM).
- Use Engine demand (CFM) and HP-based flow (CFM) to inform your decision.
Ad Placeholder
Related Calculators
Intercooler Sizing Calculator
Intercooler efficiency from charge air temp and flow rate.
Fuel Injector Sizing Calculator
Injector flow rate from engine HP and fuel type.
Exhaust Flow Calculator
Exhaust pipe diameter from engine output and RPM.
Compression Ratio Calculator
Static CR from bore, stroke, and chamber volume.
Ad Placeholder