What's your biggest, best, funniest most bone-headed move related to your car?

Waaay back, but a seriously bone head moment.

I was changing the oil on my ‘70 Duster, dropped the filter and spun a new one on. Filled the oil and fired it up.

Was letting it run and stepped out in front of it and saw a huge stream of oil pouring out underneath. WTF?!

I quickly jumped in and shut the engine off wondering what happened.

I crawled underneath and saw the leak was from the oil filter. I took it off and found that a big chunk of the gasket from the old filter had broken off and was stuck to the mounting surface.

If I had taken the time to just look at the old filter after I took it off, I would have seen it…and not been spending money on new oil while cleaning up the 3 qts of oil spread all over my garage floor.