I was broke down on the side of the highway heading home from working in Great Falls and Dooley’s thankfully had the part I needed. Dustin, one of the mechanics, was so great and installed the part for me after his shift! Genuinely a fantastic and dependable shop! I can’t recommend them enough.
April 2024
Very knowledgeable, quote was spot on. Awesome job!
August 2023
Did an excellent job on my truck, I highly recommend them. Good people
Welcome to Dooley’s Diabolical Diesel in Great Falls, Montana, where we elevate light-duty diesel and gas engine trucks to their true potential. From personalized upgrades to full engine rebuilds or replacements, we ensure each truck becomes more reliable and robust. Our passion is evident as we own and work on Ford, Dodge, and Chevy diesels ourselves—bringing professional and personalized service to every project. At Dooley’s, we do more than just part swaps; we transform your vehicle into the powerhouse you deserve. Plus, we're proud to offer top-tier Dyno Testing in Montana to precisely tune and optimize your truck’s performance. Trust Dooley’s to deliver excellence and expertise with every modification.
