[darkpuppet]

LightAges,Jun 8 2008, 11:27 PM Wrote:

darkpuppet,Jun 8 2008, 09:32 PM Wrote:people modify their cars to increase mileage?

I thought people did it to get a few extra ponies and HP always means more gas...
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Did you read the footnote to my original post?
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not really....

but now I did, and I think you're right to a point, however, power lost to engine inefficiencies that is found by removing those inefficiencies, means a net-zero gain or loss in mileage.

That meaning, that any mileage lost in engine inefficiencies are still lost to extra power reaching the wheels at the end of the day.

Anything that gains in mileage must guarantee a net reduction in the amount of gas the car burns over a given distance. That's a given.

however, putting an SRI does not guarantee a reduction in the amount of gas the car burns. More air in = more gas burnt = more power.

If you reduce the engine's pumping inefficiencies, sure you can increase mileage, but that is usually lost as increased power.

Therefore, to truly gain better mileage, one would have to install mods that restrict the burning of gas -- which has no other alternative than to reduce available power.

people who were experiencing bad mileage due to pumping losses, were likely the ones operating their engine outside peak efficiencies, which is not typically indicative of someone driving for mileage to begin with.