Mischievous Machines

Mischievous Machines Small modification and general maintenance shop. We offer competitive rates, and many others not available anywhere else.

07/02/2026

Not a red flag or a green flag
More like a check engine light
You know something is wrong with me, but you just go with it. Because if you fixed it, you'd lose all the excitement.

Cars come and go. The memories made with them don't.
06/23/2026

Cars come and go. The memories made with them don't.

06/23/2026

The older I get, the less I care about being fast… and the more I care about who’s in the passenger seat.

It's Friday. You know what that means. > > Somewhere in Great Falls, someone is about to tell their spouse "I'm just gon...
04/17/2026

It's Friday. You know what that means. > > Somewhere in Great Falls, someone is about to tell their spouse "I'm just gonna do a quick thing to the car this weekend." > > That quick thing? It's never quick. It's never one thing. And by Sunday night they'll be calling us on Monday. We don't judge. We've all been there. Some of us ARE there. Regularly. 🤦🏼 > > Tag your friend who's definitely about to "just replace the brakes real quick" this weekend.

Quick pop quiz: When's the last time you changed your oil? If you had to think about it for more than 2 seconds, that's ...
04/17/2026

Quick pop quiz: When's the last time you changed your oil? If you had to think about it for more than 2 seconds, that's your answer. Here's the thing oil is literally your engine's blood. You wouldn't go years without a checkup (okay, some of y'all would, but that's between you and your doctor). Your engine ain't got health insurance. YOU'RE the health insurance. Fun fact: the old "every 3,000 miles" rule? Mostly outdated for modern cars. Most synthetics are good for 5,000-7,500. But here's the dad joke: Why did the engine break up with the old oil? Because it was tired of the sludge …I'm not sorry. Need an oil change or a full checkup? We got you. (406) 590-9157

TIP TUESDAY That check engine light on your dash? Yeah, that's not a decoration. It's not "ambient lighting." It's not y...
04/14/2026

TIP TUESDAY That check engine light on your dash? Yeah, that's not a decoration. It's not "ambient lighting." It's not your car vibing with you. It's your car literally screaming for help. "But it's been on for 3 months and nothing happened" Brother. Sister. That's not nothing happening. That's something happening SLOWLY. Like a bad relationship. By the time you notice, the damage is done and it's gonna cost you twice as much. Don't be that person. A diagnostic takes less time than arguing about it. Come see us. We'll read the code, tell you what's up, and give it to you straight. No upsell BS, just facts. (406) 590-9157

04/13/2026

Racecar backwards is still racecar, racecar upside down is expensive, but racecar sideways is how Paul Walker died.

Montana winter didn't just test you it tested your ride too. Salt, gravel, potholes… your car survived but it's looking ...
04/13/2026

Montana winter didn't just test you it tested your ride too. Salt, gravel, potholes… your car survived but it's looking like it needs a vacation. Good news: spring is here and so are we. Whether it's getting that paint right, fixing what winter broke, or finally doing that mod you've been dreaming about all winter. Mischievous Machines is open and ready. You dream it, we build it. Hit us up before summer sneaks up on you. (406) 590-9157

03/10/2026

With all going on in the world did we forget.. "Hector is going to be running three Honda Civics with spoon engines, and on top of that, he just went into Harry's and bought three T66 turbos with NOS, and a Motec exhaust system".

Address

Great Falls, MT
59405

Opening Hours

Monday 8am - 7pm
Tuesday 8am - 7pm
Wednesday 9am - 5pm
Thursday 8am - 7pm
Friday 8am - 7pm
Saturday 9am - 12pm

Telephone

+14065642532

Website

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