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Old 04-09-2008, 08:37 AM   #13 (permalink)
Harpo
EcoMudder
 
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Join Date: Mar 2008
Location: Gainesville, FL
Posts: 79

Harpo's Honda - '05 Honda Civic VP
90 day: 42.64 mpg (US)
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Quote:
Originally Posted by diesel_john View Post
ok i'll try it. duely noted and saved. good work. i know from hot summer day to cold winter day it makes a big difference.

we were not ignoring you, we were sleeping.
At 50' elevation at Gainesville Raceway, I've seen swings in Density Altitude from +4050' to -550' in one season from summer to winter. That's huge on making HP, but also affects the amount of molecules you smash through at 135mph.
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