Jess C.
5/15/2021
Always honest, never pushes anything extra. Dealership wanted 5,000 for head replacement. Got studs and coolant bypass with new cylinder head, more piece of mind for a better price.
Dooley's Diabolical Diesel
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(5)
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2012 13th St S
Great Falls, MT 59405
Dooley's Diabolical Diesel, located in Great Falls, MT, specializes in diagnosing, upgrading, and rebuilding both gas and diesel trucks. With a focus on quality service, the veteran-owned and operated shop offers a wide range of services including engine tuning, dyno testing, and brake repair.
The company prides itself on using advanced technology to enhance engine performance while reducing fuel consumption and emissions. As an authorized dealer for several premium vendors, Dooley's Diabolical Diesel is committed to delivering exceptional results for truck owners in the area.
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Reviews
3.55 reviewsSteve R.
8/31/2023
Did an excellent job on my truck, I highly recommend them. Good people
Ashley R.
10/31/2022
Took my $140 to weld two brackets for limit straps and they came off on the drive home both times. Never returned my call or answered the phone about it. I guess I was supposed to throw a fit to...
Ryan H.
9/17/2020
Casey and Christian took great care of me. I had Casey do some work on my diesel Ram 2500 and Challenger 6.4 and he exceeded expectations on both. He performed exactly as promised, communicated...
Timmy k.
8/10/2020
Im big into supporting small businesses in my town... But my experience with Casey when he put a mildly Bulit 68rfe trasmission in my Dodge was terrible....This truck has a second gen kit with...
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