Not true. Porsche had problems with emissions, particularly cold-start emissions, because air-cooled engines run "loose" before everything expands to its proper tolerance. New air-cooled 911s consumed a quart of oil every thousand miles. My watercooled Honda does that every 10,000 miles, and it has 165,000 miles on it. I prefer the air-cooled Porsches, but the 986 (Boxster), 996 (911), and the new (heaven help us) Cayenne are all water-cooled. Liquid cooling also allows for four-valve (or five valve) heads. The only way Porsche was able to get multi-valve heads with air cooling was to water cool the heads (the 959 and 962).
>From: John Lunetta <blun1432@OPTONLINE.NET> >Reply-To: John Lunetta <blun1432@OPTONLINE.NET> >To: vanagon@GERRY.VANAGON.COM >Subject: longivity of coversion engines >Date: Mon, 25 Mar 2002 17:55:18 -0500 > >I am not an air cooled fan, I have a watercooled vanagon and think it's >superior to the air heads. But in response to Ken about why they stopped >making the air cooled engines, I think they just did not want to bother to >improve them. How come Porche never had a problem with emissions, and they >never had a problem with making Horspower. I'll tell you I wish that VW had >developed a 3.0L 6 waterboxer for the vanagon, I't would of been ideal. >There I go again I am dreaming. >Take care all John 1990 vanagon gl
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