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On 18 May 2001, at 8:20, Scott Taylor wrote: > Jim, is it really possible for one's gas mileage to be too good? I had > always thought that good mileage was one indication of a well-tuned > engine, and that if you were to run progressively more lean that > performance and mileage would suffer in response. My understanding is that running lean will make the engine run hot. My 72 had problems with running too lean and dying a few years ago and the fellow I asked about it wondered why the pistons hadn't melted. He then answered his own question when he said "I guess the compression ratio just wasn't high enough to damage anything. I tend to agree with you that normal operation usually gives good performance within a rather narrow mileage range, so operation outside that range is usually poor. 35 MPG seems way high, even for Imperial gallons. ;-) - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/