Bolt-ons = less restrictive, Better MPG???

Originally Posted by spearfish25 So if bolt-ons are less restrictive and in turn allow the engine to produce more horsepower, do they lead to better fuel economy under conservative driving

		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust
Bolt-ons = less restrictive, Better MPG???

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07-26-2009, 12:26 PM

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kannibul

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Quote:

Originally Posted by spearfish25

So if bolt-ons are less restrictive and in turn allow the engine to produce more horsepower, do they lead to better fuel economy under conservative driving habits?

Not really true.

The engine is an air pump...

The more air that goes through it, the more fuel that also goes through it to maintain the air-fuel ratio.

Fuel economy is more or less (these days) a function of efficency of the engine and drivetrain (how well heat is translated to movement) and aerodynamics and weight.

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