When it comes to engine performance, numbers matter. Our in-house chassis dyno lets us verify wheel horsepower, torque, air-fuel ratio, and more—giving you hard data to back up your build. Whether you’re chasing power gains or dialing in drivability, Green Mountain Gear-Heads uses real-world testing to fine-tune results and confirm performance.
Our dyno sessions measure more than just peak horsepower. You’ll get full insight into:
This isn’t just bragging rights—it’s validation, refinement, and clarity.
Dyno testing is essential after an engine break-in, before serious tuning, or whenever a major component has been upgraded (cams, turbos, EFI, etc.). We test safely and thoroughly, checking performance and mechanical health before you hit the road or track.
Because we use a chassis dyno, you’re not just testing the engine—you’re testing the full drivetrain. This simulates real-world conditions under acceleration and load, so you can trust the results reflect how your vehicle will actually perform on the street or track.
Dyno testing often pairs perfectly with our tuning or consultation services.
Builders, tuners, and engine enthusiasts across Vermont and the Northeast trust us to deliver clean, consistent, and safe dyno sessions. From mild street setups to full race engines, we’re the go-to dyno resource for serious domestic performance.
Too many builds go unverified. A dyno session confirms whether your tune is safe, your fuel curve is stable, and your horsepower claims are real. It’s the final step to ensuring your engine isn’t just running—but running right.
Let’s find out what your build is really capable of. Whether you need break-in validation, tuning feedback, or just raw numbers, our dyno gives you the proof.
Green Mountain Gear-Heads primary focus is on domestics, but can sometimes support non domestic builds.
8 AM - 5 PM
Monday - Friday
85 Shunpike Rd, Williston, VT 05495