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My comments below. Toby Erkson air_cooled_nut@pobox.com (This is my preferred address) >-----Original Message----- >...But you stated that 'A >black engine will >run cooler than a white engine, all other things being >equal' so you don't mean the case, just the tin correct? In a word, correct. A black case would run cool, too, since it's "pulling" heat from the metal and "pushing" it into the air stream. White wouldn't be "pulling" and "pushing" as well. >Why aren't the valve covers finned then? On a stock engine it's not necessary. My engine has them...and the chrome is bead blasted off to a nice, dull finish :) >I don't like faith... someone has surely done some comparative >tests with >polished/unpolished and varying colored cases before eh? Yeah, faith can be unreliable. What about just believing the pure physics part? ;) It's what those Cýð!mngineers were doing... ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe