What the freak? My car hangs out at 90 degrees, but if I am running A/C and driving in town, it hits 100 quite easily. What the heck!?!? And we are in the same state!

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1987 300TDT - 195,000 (Original #14 head)
1993 190E 2.3 - 105,000
1981 300D - 250,000