Dyno Testing
On Site
in Great Falls
Repeatable, Accurate Dyno Runs,
In house, On site.
Schedule your run today.
LEARN MORE ABOUT OUR DYNO
Welcome to
Dooley's Diesel
We Diagnose, Upgrade,
and rebuild
Gas & Deisel Trucks.
You have a Truck.
We should be the ones who fix it.
Questions about your truck?
S.O.A Pistons
Speed of Air
OE & Aftermarket
Parts & Accessories
Clean Engine Technology
• Reduce Fuel Consumption
• Reduce Emissions
• Increased Horsepower
LEARN MORE ABOUT SOA
All New
Dooley's Diesel
Tees, Hoodies
& Apparel
In the Shop!
CLICK HERE
TO SEE OUR NEW INVENTORY!
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ASE Master
Certified
20+ years
Having the right tools,
is only good if you know how to use them.
Veteran Owned and Operated
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Performance Tuning
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