Welcome to Stewart Dyno Center. We offer dyno services for Micro Sprints, Mini Sprints, and more.

Dynapack Evolution Chassis Dynometer

Midwest Tuning Center & Sales for
Guhl Injection Systems

Do you have the NEED for SPEED?

Unless you have had your engine dyno tuned on a chassis dynometer you are not getting maximum horsepower.

We have increased horsepower on every engine.

By appointment only.

We offer credit and debit card service, accepting Master Card, Visa, and Discover Cards.

Now offering Dyno services for Racing ATVs. Increase your horse power, smooth out yourr power band, and increase your torque. We have provided Dyno service for ATV Racers from Alabama, Kentucky, and Illinois. Contact us for more information.

Get a FREE Stewart Dyno Sticker &
T-Shirt with your first Dyno job!