Quote:
Originally Posted by Meph
supercharger is belt driven, turbo is spun by exhaust pressure.
As manifold pressure increases, there is a linear relationship to the amount of fuel needed, regardless of effiency of the engine, a lower load will always require less fuel a set RPM. unless your getting more then 37mpg in second at low loads it couldn't be getting better in boost.
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right , something doesn't sound right there . Supercharges also "generally" don't get better fuel economy , turbos have better chance doing that (thats generally by using smaller sized turbo engine combo ).