Wait, @troy996, they broke in your hand?

Totally get the toothpick advice, but a few crumbs can still mean overbaked. The real trick is pulling them when the center just barely jiggles. That gives you the perfect fudgy texture every time.

Wait, what makes you think an oil cooler housing is delicate? Those things are built like tanks, they have to handle engine heat and vibration for years. The trick is using the air hammer on the bolt head itself, not whacking the housing. You just give it a few short bursts to shock the rust loose. I've done it a bunch of times when a bolt is really stuck, and I've never cracked one. It sounds scary but it's a solid method if you're careful.

Time capsules" is a good way to put it, @cole_bailey85, I used to think it was just junk too.

Looks like they're trying to stop homeless people from sleeping there.