08-27-2008, 09:26 AM
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#15
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Registered Member
Join Date: Nov 2007
Posts: 1,111
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I agree with you Gollum but I think the gains as far as using a turbo for fuel economy are situational.
A normal driver gets a turbo slapped on and keeps driving normally and they probably won't see a difference. Your typical lead foot will see a decrease. However, a person doing P&G driving will most likely see an increase as would a person that is careful about slowdowns but is hard on the gas up to speed.
The point of P&G is to use the engine only when it is most thermally efficient. Using the engine when it is most efficient all the time would yield a lower fuel economy but strategic use can mean better overall FE numbers. Under boost an engine will be more thermally efficient during pulses so I can see that giving you better economy. Most any other situation? Forget it.
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- Kyle
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