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There was an article in Flying a while ago about Lindy and the P-38. The pilots were all using too rich a mixture. Lindy showed them how to operate lean of peak (cylinder head temperature). Aircraft use cylinder head temperature as a substitute for oxygen sensors and other methods of measuring air/fuel mixture. Once you get leaner than stoichiometric the temps go down but efficiency goes up.
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1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
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