SuperChargers, Turbos and fuel consumption

From: Barry Oliver (barrysuperhawk@insightbb.com)
Date: Sun Aug 21 2005 - 01:13:18 EDT


I understand the purpose of a SC or a turbo is not to increase fuel
efficiency, but how bad does one hurt you? Anecdotal evidence suggests
that turbos actually help some diesels with fuel efficency - or at least
  require less fuel for a given power level than a comparable non-turbo
motor. On a Gas engine, how does a [properly tuned] Supercharger effect
your fuel consumption during normal driving? Obviously if you are WOT
racing, you don't much care, but on a daily driver, much more time is
spent just droning along...



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