My car is like yours. Always has been.

Last fall at test and tune.
>1 hr cool down:
11.762
11.761
11.789

Shorter cool down:
11.967 - < 5 minutes
11.916 - 13 minutes
11.892 - 31 minutes

After one pass the engine is so hot you can't touch anything under the hood. If I'm racing, I guess. But I suck, so that doesn't work. I got nothing for you.