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78P930 78P930 is offline
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Join Date: Dec 2005
Location: Austin TX
Posts: 565
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I found it in an old Porsche book by Michael Cotton, but obviously not real world numbers. I think the best I ever got in my 78 was 19mpg on the highway @ 70mph. I haven't checked it since modifying my engine.
Pat
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Old 12-30-2006, 07:44 PM
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