It was chilly out today -34 with the wind chill -21 discounting the wind. I was in a hurry but stopped for 10 minutes for a bowl of chilli. During that 10 minutes with the engine off I lost 42 degrees on the temperature gauge. Those aluminum heads on the 602 do what they say they do dissipate heat quickly.

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92 e300d2.5t
01 e320
05 cdi
85 chev c10