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On 22 Nov 2002, at 8:37, Shad Laws wrote: > On the Type 4, the ENTIRE A/C belt system is outside the ductwork of the > cooling air. The pulley is located _forward_ of the fan (it displaces the > spacer-washer thing on the hub), Is that to say that the outside rim of the pulley (which incorporates the V-belt sheave) actually forms a rotating continuation of the duct surface at that point? If so, doesn't this mean that there is a gap all the way around this pulley then, both in front and in back of it? This sounds familiar, but now that I think of it, it seems strange. I wonder if this is a problem area, or if the rotation of the pulley and the small gap, make for a kind of aerodynamic "seal" there, so that little warm air actually gets sucked in. > There is one possible exception to this: the 1976 Porsche 912E (not to be > confused with the 1965-69 912). Those 2099 rare examples had an oddball > engine in about 3 billion different ways, and I don't remember how they did the > A/C thing... I completely forgot about those. Only 2099...? I certainly never saw under the hood of one of them. What a blunder for Porsche. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/