Quote:
Originally Posted by Si Speed 317
^ If it's done right and not all for hp, you'll get better gas mileage. My friend has an 07 Turbo GTI and it get's better gas mileage than my Si. Good enough? There's a video online about FI getting better MPG, but I can't find it.
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Not not really good enough, that was a terrible comparison. You do realize you're comparing two COMPLETELY different cars/motors, right? The only way you can compare them would be the same motor, one boosted and the other not.
Two motors of the same, one being boosted and the other not, the n/a motor will always have better gas mileage. It's common sense really - the blower is pushing more air in and in turn requires more fuel.
What I think you're thinking of is when car companies (I beleive volvo does this) is use a very fuel efficient motor and then turbo/twin turbo it to get power out of it. This can result in a motor having pretty good fuel efficienty and enough power to be drivable.