Engine Pro

Speed-Wiz Software

About this app

Speed-Wiz Engine Pro has all the engine calculations and engine simulations you need to build and modify great engines for cars, trucks, motorcycles, and boats. Its many engine calculations and engine graphs make it easy to find out what you need to know. Easy and fun to use, Engine Pro will give you results immediately with no tedious setup and learning chores. It's car math made simple!


Please note: Car Math Pro is replacing this app.


Engine calculations and engine simulations:
- Conditions including density altitude
- Fuel including blends and additives
- Camshaft
- Combustion chamber volume
- Compression ratio
- Piston dish or dome volume
- Displacement
- Efficiency, BMEP, BSFC
- EFI fuel injection
- Air flow
- Fuel flow
- Exhaust header
- Header collector
- Fuel injectors
- Intake manifold
- Maximum engine speed
- Fuel octane requirement
- Piston position, velocity, acceleration, force
- Port velocity
- Power


Engine graphing:
- Conditions
- Fuel
- Combustion chamber volume
- Exhaust header
- Header collector
- Compression ratio
- Displacement
- Efficiency, BMEP, BSFC
- Air flow
- Fuel flow
- Fuel injector sizing
- Maximum engine speed
- Octane requirement
- Piston position, velocity, acceleration, force
- Port velocity
- Power


Easy and fun to use
Automatic, instantaneous calculations
Advanced, reliable, and proven algorithms
Unlimited vehicle and configuration files
Configurable colors
Two-stroke or four-stroke
Proven engine algorithms
Context-based online help
Metric and English inputs and outputs with automatic conversion
Works with turbocharged and supercharged engines
Supports nitrous oxide injection
No advertising


Other Speed-Wiz car math modules coming soon include Chassis Pro, Performance Pro, Tire Pro, Brake Pro, Suspension Pro, Turbo Pro, Race Pro, and more!

Ratings and reviews

Great app, helps loads with engine building calculations 👍

. some of the calculations are wrong or the answers make no sense. Graph's have no reference on left scale. Otherwise some useful information.

Nice App

What's new

System updates
Bug fixes and other improvements