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Old 07-14-2009, 09:37 PM   #67 (permalink)
alohaspirit
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Join Date: Feb 2009
Location: Hawaii
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Makai - '01 Toyota Echo 4D Auto
90 day: 34.45 mpg (US)

New Galaxy - '07 Toyota Prius
90 day: 42.15 mpg (US)
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Quote:
Originally Posted by Christ View Post
it's actually quite a bit of weight, when you're dealing with unsprung weight.

Each pound off a wheel, or the flywheel, or the crank, or drive shafts, axles, hubs, etc, equals 7 lbs of equivalent weight loss of the rest of the vehicle.

Each 100 lbs lost of "basic" weight = .10 faster 1/4 mile times, on average.


So 8 lbs off your rim weight = 56 lbs of equivalent basic weight

-.05 faster 1/4 mile time


Dont you wish there was a formula for mpg too
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