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Old 2004-04-13, 08:52 AM   #9
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
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Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by STIwish
I was able to launch a lot higher on the tach at elevation than near sea level... the elevations effected it alot
Huh? How does elevation change the rotational enertia of the motor? At high elevation you're still dropping a stopped clutch on a flywheel w/ all the motor's rotational mass behind it that's spinning at 5000+ rpms. That's not good for the drivetrain at any elevation.

Granted once you get going, your not as likely to continue smoking the clutch due to the lower amount of torque, but I wouldn't change my launch rpms base on altitude... just realize that you're going to be slower up here than down at sea level, and trying to launch around it will only damage your clutch and tranny just as it would down lower.
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