thanks for the good suggestion. however, on my car, even driving in 10-below F temps, the coolant was heating up fine according to the dash gauge.

my FEET were freezing, though, some kind of draft or maybe there's supposed to be a foot-level blower in these cars? it may be a vacuum problem. I have a few vacuum problems. time to work on vacuum.

It's always an adventure with these 30-year-old cars.

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1984 300D Turbo 350K 50K WVO (two tank) "Maeby"