Believe me fellas, it gets plenty hot here in Sacto. Tango is right that we routinely get temps of 110 and above. And as dieseldiehard so wisely notes, we do also have hills here -- large ones. In fact we call them mountains, and our travels often involve long pulls up miles of steep grades in summer heat. So we look for all the cooling advantages we can get.

As for the claim that humidity is greater here, I would dispute that. Certainly true in the winter when we get thick fog, but in the summer I bet coastal areas have more humidity due to the, um, coastal effect.

Now, returning to automotive matters...

Dieseldiehard also mentioned Redline "Diesel" W/W. Is there a separate product for diesel motors? Does it matter or is this just marketing?

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'81 300TD turbo <<sold 12/05 to another diesel nut