Ever get that feeling where you're just used to the struggle? That's exactly it, you don't know how bad it is until it's fixed. Sounds like a whole new machine with that one swap.

Check the map again because swamps move over a hundred years.

That's some next level geocaching right there.

That 3-degree spec from @the_emma seems pretty tight for a hot engine.

Eyeballing it" is how you get a free light show.