03-04-2009, 02:40 PM
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#1 (permalink)
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Base Member
Join Date: Jan 2009
Location: nj
Posts: 177
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Quote:
Originally Posted by john370z
OK. My wife and I raced about 4 times tonight. She in the BMW and me in the Z. On average the BMW took the Z by 1.5 cars at 60 mph. I would guess that the Z will get a bit faster with break in but no way at this altitude will match the BMW. I plan on a exhaust and k&n and see what that does.
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You are one lucky guy for having a wife like that! 
Not sure how bad alttitue affects NA cars but 1.5 cars is probably like .2 to .4 sec behind BMW.
http://www.wallaceracing.com/altitudecorrection.htm
Looks like NA has about 3% additional degradation in performance as compare to FI cars at 5000ft.
Last edited by sbkim; 03-04-2009 at 03:00 PM.
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