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Old 02-21-2008, 12:17 PM   #5 (permalink)
diesel_john
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Quote:
Originally Posted by Coyote X View Post
I think most of the gains they got in mileage is from the gearing. The turbo just let the higher geared car drive more like a normal car. If they can find identical cars one with a turbo and one without there probably wont be any difference.

Adding a turbo to a car and not changing gearing or going to a smaller motor is not going to help anything but acceleration really. Kind of a similar problem of doing aero mods and not changing gearing. The engine load decreases but the rpms are high enough you are still using a lot more gas than you really need to.
"or going to a smaller motor"
that i would like to see, two engines same power, one NA, and one turbo'd.
that would be interesting, OK who wants to do it?

PS. power and economy are usually inverse.

Last edited by diesel_john; 02-21-2008 at 12:54 PM..
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