Automotive calculations and simulations

Speed-Wiz has hundreds of car performance calculations, simulations, and analysis tools covering engine, suspension, chassis, dynamics, and much more.

Speed-Wiz is the best value you will find in automotive software. You could pay hundreds of dollars for software that does just a fraction of what Speed-Wiz does, or pay our special low price and get an integrated and powerful program that does everything you ever wanted — and much more.

Join the many teams, companies, and individuals using Speed-Wiz now! With unmatched features and advanced technology, Speed-Wiz is the leader in automotive design and simulation software. If you build or modify cars, or just dream about it, Speed-Wiz is the tool you need.

The tool you need

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Speed-Wiz does it all

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Speed-Wiz has calculations in the areas of general, conditions, fuels, engine calculations, engine simulation, fuel injection, turbochargers, chassis, aerodynamics, electrical, suspension, steering, brakes, tires, performance, reference, costs, maintenance, and race strategy. It calculates hundreds of different values. It also has graphs for the same areas. In addition are unit conversions, performance optimizations, a lap timer, and some fun stuff too.

engine General information

Conditions, density altitude calculation
Fuel including blends and additives

engine Engine calculations

Cam, valves, pistons, intake, exhaust, ...
Displacement, compression, flow, efficiency

turbo Turbochargers

Turbo sizing, temperatures, flow, ...
Compressor maps and boost curve

engine simulation Engine simulation

Artificial intelligence engine simulator
Plus pistons, valves, intake, and exhaust

suspension Suspension

Springs, bars, suspension geometry, ...
Includes 4-link and steering geometry

brakes Brakes

Braking hydraulics and mechanics
Braking force and braking weight transfer

chassis Chassis

Aerodynamics, gear ratios, shift points
Weight distribution and center of gravity

tires Tires

Tire temperature analysis
Tire selection, tire sizing, stagger

performance Performance

Acceleration, cornering, fuel consumption
Power and torque based on performance

reference Reference

Bolt torque, hoses, metal gauges, weights
Fractions, statistics, trigonometry

costs Costs

Fuel consumption analysis
Fuel costs and driving costs

reference Strategy

Racing strategy analysis
Optimize your pit stop strategy

lap timer Lap timer

Full-featured racing lap timer
Includes graphing and statistics

data log viewer Data log viewer

Advanced data log viewer with statistics
Use preset layouts or create your own

maintenance Maintenance

Maintenance tasks
Maintenance history

fun Fun

Coordination tester, reflex tester
Drag race practice tree, F1 start

conversions Conversions

18 types such as pressure and temperature
Each type converts between many values

optimizations Optimizations

19 types like acceleration, braking, traction
Suggestions to improve performance

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