Build Flow
Every build starts on a base engine. Add modifications and adjust the tune to see the impact on horsepower and torque.
Build From The Block Up
Engineer your own engine build and predict how much power it can make.
Start with a base motor, add modifications, and instantly see projected horsepower and torque changes.
Engine Builder
Parts Catalog
Instant Estimates
HP and torque estimates update as each component is added or changed.
Enthusiast Focused
Over 70 engines to play with.