Exhaust Velocity Calculator
Calculate exhaust velocity based on engine parameters like displacement, RPM, exhaust temperature, and pipe diameter. Optimize your exhaust system for better performance.
Step 1: Engine Parameters
Understanding Exhaust Velocity
Exhaust velocity affects engine scavenging and performance. Higher velocities improve scavenging but can create backpressure if too high. Optimal exhaust velocity is typically between 200-400 ft/s for street applications.
Step 2: Exhaust System
About Exhaust Velocity
Proper exhaust velocity helps with scavenging, where exhaust pulses help pull fresh air/fuel mixture into the cylinder. Too low velocity reduces scavenging efficiency, while too high velocity creates excessive backpressure that can hurt performance.
Exhaust Velocity Results
Calculated Exhaust Velocity
Pipe Diameter Velocity Comparison
| Pipe Diameter | Velocity | Performance Impact |
|---|
Velocity Breakdown by RPM
Exhaust Velocity Formula
Velocity = (Engine Displacement × RPM × Exhaust Temp Factor) / (Pipe Area)
Exhaust velocity is calculated based on the volume of exhaust gases produced by the engine and the cross-sectional area of the exhaust pipe. Higher temperatures increase gas volume, while larger pipes reduce velocity for the same flow rate.
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