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      05-21-2007, 03:52 PM   #2
Revlis
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Drives: M4 i3 X3
Join Date: Feb 2007
Location: Phoenix AZ

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Not true... While turbo's do eliminate much the power losses associated with elevation, (Roughly 3% per 1000') they do not start to work "Better" than they do at Sea level.

However they DO work better than any NA motor at elevation because of they do not rely on 14.7PSI to fill the cylinders.

As for Turbo's working harder? Not sure what you mean, accept that a clever engine management system would be holding the waste gate closed a little longer to achieve the same amount of cylinder pressure as it would at sea level. But the Turbo's are not going to be working harder themselves.

At least I'm pretty sure.
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