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Re: Aerodynamics? |
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Home away from home  
Joined:
2003/3/21 0:15
From Tamworth, NSW
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Registered Users
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In most cases aftermarket stuff is just there for looks. Car & Driver found in their tests in 74.
On a datsun 240z
Stock:
140 lbs of Lift on front wheels @ 70mph
20 lbs of Lift on the rear wheels @70 mph
BRE Front Spook canceled 105 lbs of Lift and increased gas mileage by 0.4 mpg
BRE Street Spook (no brake ducts) canceled 115 lbs of Lift
BRE Rear Spoiler added 75 lbs. of down force @ 70 mph and 0.2mpg
C & D custom 7" rear spoiler (at 50 degrees from horizontal)
Added 160 lbs of down-force to the rear but off loaded an additional 20 lbs from the front. It also hurt gas mileage by 0.6 mpg.
Remeber 60 mph is roughly 100kmph so these tests where done not that much over the speed limit also 10 pounds ~ equal to 4.5 kg
Posted on: 2007/5/22 4:23
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Project coupe:
Just drive it
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