It started with a guy in Bay Two who'd "already diagnosed it."
He rolled in with a 2014 Silverado, a printout from a Reddit thread, and the kind of confidence you only get from watching six YouTube videos in a row. The problem wasn't what he thought it was. When I told him, he argued with me for ten minutes. Then he paid the diagnostic fee and left — same misfire, same attitude.
That night I sat in the shop with a beer, the NBA game on mute, and thought: somebody ought to write this stuff down. Not the sanitized version. The real one.
So here we are. Motor Grime.
What This Is — and What It Isn't
This isn't a magazine. There won't be a "Top 10" anything. I don't care what the algorithm wants, and I'm not chasing affiliate commissions on tool sets I wouldn't let my kid use.
What you'll get instead is 25 years of turning wrenches, starting when I was 19 years old changing oil at a GM dealership and ending — well, it hasn't ended. I opened Callahan Auto Works in 2016. Three bays. Vintage American iron mostly, but I'll work on anything that shows up with a problem and a willing owner.
I've diagnosed misfires by ear. I've pulled alternators out of junkyard Buicks and made them work in trucks they were never supposed to fit. I've seen repairs that should've cost $200 turn into $2,000 because the last shop saw a mark instead of a customer. This blog is where all of that goes.
The Chevelle That Still Won't Idle Right
You need to know something about me before we go further.
I've got a '72 Chevelle in my garage that's been "almost done" for three years. The paint isn't finished. The interior is half-installed. And the idle — the damn idle — still hunts between 600 and 900 RPM like it's looking for something it lost. I've chased that idle through the carb, the timing, the vacuum lines, and a distributor I pulled from a swap meet in Monroe. Still not right.
I'm going to write about that Chevelle. Not when it's done and shiny and ready for a photo shoot. Right now. While it's still pissing me off.
That's the difference between this blog and most of what's out there. I'm not showing you the highlight reel. I'm showing you the frustration, the misdiagnosis, the "I was sure it was the float level and it wasn't" moments. Because that's what actually happens in a garage.
Who This Is For
Motor Grime is for the person who'd rather spend Sunday afternoon under a hood than watching a home-renovation show. You might own a project car already. You might be looking for your first one. You might just want to stop getting ripped off at the quick-lube place. Doesn't matter. If you've got hands and you're not afraid to use them, you're in the right spot.
I'll cover diagnostics — the kind the OBD-II scanner won't give you. I'll walk through build decisions and swap meet strategy. I'll tell you which tools are worth the money and which brands are coasting on a name. I'll write about the shop itself — the flooring, the lighting, the beer fridge as a design principle.
And occasionally, I'll tell you about a 1998 LeSabre that outlived three marriages, because some stories only happen when a car becomes the one constant in someone's life.
No gatekeeping. No lectures. Just a guy in the next bay handing you a beer and telling you what he's seen.
The Chevelle still doesn't idle right. Stick around. We'll figure it out together.
