how about them spoilers?
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Senior Member
Joined: 03-18-2009
Posts: 443
From: conroe tx
Actually spoilers are supposed to push the rear of the vehicle down to improve it's contact with the pavement at high speeds. Since the aerodynamics tend to lift the lift the rear of the vehicle the spoiler goes there. Race cars also employ an air dam in the front to accomplish the same up front.
The subaru wrx does something. Infact its so awesome it has two wings. Haha
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Joined: 08-06-2008
Posts: 1,761
From: Grand Haven, MI
I think the spoiler actually allows more dust on the rear window.
The only ones that kept the rear window cleaner where those ones that thry used to put on the back of station wagons, that deflected the air down and over the rear window. They sort of looked like "spoilers"
The only ones that kept the rear window cleaner where those ones that thry used to put on the back of station wagons, that deflected the air down and over the rear window. They sort of looked like "spoilers"
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Joined: 04-30-2006
Posts: 9,149
From: Maryland Heights, MO
They really don't do much functionally, but I think they add much to the looks. We added them to both of our HHRs.
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Joined: 07-05-2008
Posts: 5,464
From: Akron Ohio
Spoilers on street cars in general are no functional or have little effect till high speeds are met.
New cars today use what is called air managment that incorperated body styling and under body mods that control the air for more efficenty and or down force.
Ferrari uses a lot do underbody air flow management on many of their new cars. It makes for a more stable car at top end.
Also look at the Chevy Volt as they have incorperated many air management ideas into the body. They want to keep the aero drag count down to increase the range of the battery. Just the 1/4 panel and rear bumper have been flowed enough to add an additional 7 miles to the range on batteries alone.
High end performance cars today are more functional with the spoilers now than ever. But they are no where near what race cars have.
The average street car the idea of adding drag is a very negitive thing these days as they are looking for more MPG and more drag will make it get worse MPG.
The most aero thing on the HHR is the SS nose. It will make it more stable at high speed than the standard nose. My old Fiero creates lift at speeds over 90 MPH with the stock nose. I added a vented hood and front air dam and it is much more stable now.
60's Vettes were horrible for front lift.
New cars today use what is called air managment that incorperated body styling and under body mods that control the air for more efficenty and or down force.
Ferrari uses a lot do underbody air flow management on many of their new cars. It makes for a more stable car at top end.
Also look at the Chevy Volt as they have incorperated many air management ideas into the body. They want to keep the aero drag count down to increase the range of the battery. Just the 1/4 panel and rear bumper have been flowed enough to add an additional 7 miles to the range on batteries alone.
High end performance cars today are more functional with the spoilers now than ever. But they are no where near what race cars have.
The average street car the idea of adding drag is a very negitive thing these days as they are looking for more MPG and more drag will make it get worse MPG.
The most aero thing on the HHR is the SS nose. It will make it more stable at high speed than the standard nose. My old Fiero creates lift at speeds over 90 MPH with the stock nose. I added a vented hood and front air dam and it is much more stable now.
60's Vettes were horrible for front lift.
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Joined: 06-26-2008
Posts: 4,152
From: N.W. Burbs Chicago
I think all fourmula 1 cars have a tunnel system that is basically tubes that run threw the car forcing the front end down as air enters the tubes , and forcing the rear end down as the air exits the tubes. It works . 
Formula 1 is as fast as it gets on a track.
Formula 1 is as fast as it gets on a track.
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Senior Member
Joined: 03-18-2009
Posts: 443
From: conroe tx
Im going to get one for my panel
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