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Re: Do spoilers work? [Re: autoxcuda] #142681
11/01/08 11:44 PM
11/01/08 11:44 PM
Joined: Jan 2003
Posts: 27,596
So Cal
autoxcuda Offline
Too Many Posts
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Joined: Jan 2003
Posts: 27,596
So Cal
Something as simple as this works too.

IIRC, this is a garage door seal




Re: Do spoilers work? [Re: Rug_Trucker] #142682
11/01/08 11:53 PM
11/01/08 11:53 PM
Joined: Jun 2004
Posts: 893
Tustin, CA
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pishta Offline
super stock
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Posts: 893
Tustin, CA
Quote:

I heard the old DC spoilers for Dusters actually slowed them at the track.



Ask 340SIX, it has a rear spoiler that faces up....


12 Grand Caravan
06 T&C
02 T&C
96 Breeze
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Re: Do spoilers work? [Re: pishta] #142683
11/02/08 01:06 AM
11/02/08 01:06 AM
Joined: Jan 2003
Posts: 14,610
Not2farfromNashville, TN
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Rug_Trucker Offline
I Live Here
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Posts: 14,610
Not2farfromNashville, TN
Quote:

Quote:

I heard the old DC spoilers for Dusters actually slowed them at the track.



Ask 340SIX, it has a rear spoiler that faces up....



I wasn't talking rear I meant to say the front one.

Re: Do spoilers work? [Re: Rug_Trucker] #142684
11/02/08 11:17 AM
11/02/08 11:17 AM
Joined: Jan 2003
Posts: 5,406
Pikes Peak Country
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TC@HP2 Offline
master
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master
T

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Posts: 5,406
Pikes Peak Country
Yes, a rear spoiler will slow down a drag car.

My Aspen has run the strip both with and without the factory R/T spoiler. The rear spoiler created enough drag to cost me 2/10 of a second in the quarter @ 110 mph. It also creates enough down force that the lip of the fender just starts to glaze the corner of the tire where it never did before.

4787756-aspen7.jpg (68 downloads)
Re: Do spoilers work? [Re: autoxcuda] #142685
11/02/08 12:01 PM
11/02/08 12:01 PM
Joined: Jul 2005
Posts: 757
Toronto, Ont, Canada
boydsdodge Offline OP
super stock
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Joined: Jul 2005
Posts: 757
Toronto, Ont, Canada
Thanks for the link AutoXcuda, also sorry to read that your web page is gone.
I hope you are able to salvage it.
I am going to email the Cuda spoiler guy and see if he has any made up for the Challenger.

Re: Do spoilers work? [Re: 71rm23] #142686
11/02/08 02:54 PM
11/02/08 02:54 PM
Joined: Dec 2003
Posts: 23,554
Here
J
jcc Offline
No soup for you!!!
jcc  Offline
No soup for you!!!
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Posts: 23,554
Here
Quote:

There are four forces that affect an airfoil.

thrust, drag, lift, gravity.




"Thrust"? Explain


I'm with Helmuth Hübener, and no soup is being served today.
Re: Do spoilers work? [Re: jcc] #142687
11/02/08 03:05 PM
11/02/08 03:05 PM
Joined: Jan 2003
Posts: 14,610
Not2farfromNashville, TN
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Rug_Trucker Offline
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Posts: 14,610
Not2farfromNashville, TN
Quote:

Quote:

There are four forces that affect an airfoil.

thrust, drag, lift, gravity.




"Thrust"? Explain





Whatz da matter? Didn't you see "Chicken Run"


"The only thing to do for triumph of evil is for good men to do nothing"

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Re: Do spoilers work? [Re: boydsdodge] #142688
11/02/08 04:32 PM
11/02/08 04:32 PM
Joined: Jan 2003
Posts: 27,596
So Cal
autoxcuda Offline
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Quote:

Thanks for the link AutoXcuda, also sorry to read that your web page is gone.
I hope you are able to salvage it.
I am going to email the Cuda spoiler guy and see if he has any made up for the Challenger.





If you look at Tom Quad's AAR at watkins glen I think he has a ABS plastic front spoiler. Those are much more durable than fiberglass. They will bend and then bend back. I have seen 67/69 Camaro spoilers adapted easy to various Mopars. Maybe even a 69/70 Mustang one?

Tom Quad where did that spoiler come from?


Re: Do spoilers work? [Re: autoxcuda] #142689
11/02/08 04:46 PM
11/02/08 04:46 PM
Joined: Nov 2004
Posts: 25,050
Texas
GoodysGotaCuda Offline
5.7L Hemi, 6spd
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Joined: Nov 2004
Posts: 25,050
Texas
Quote:

Quote:

Thanks for the link AutoXcuda, also sorry to read that your web page is gone.
I hope you are able to salvage it.
I am going to email the Cuda spoiler guy and see if he has any made up for the Challenger.





If you look at Tom Quad's AAR at watkins glen I think he has a ABS plastic front spoiler. Those are much more durable than fiberglass. They will bend and then bend back. I have seen 67/69 Camaro spoilers adapted easy to various Mopars. Maybe even a 69/70 Mustang one?

Tom Quad where did that spoiler come from?





That is a mighty fine lookin chin spoiler on there.

How about the AAR-T/A rear ducktail spoilers? Those seem to have much use at 'normal' speeds?


1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]
Re: Do spoilers work? [Re: GoodysGotaCuda] #142690
11/02/08 05:37 PM
11/02/08 05:37 PM
Joined: Jan 2003
Posts: 27,596
So Cal
autoxcuda Offline
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Posts: 27,596
So Cal
Quote:

How about the AAR-T/A rear ducktail spoilers? Those seem to have much use at 'normal' speeds?




I think the basic coupe outline with notchback rear with flat trunk of a E-body is very similar to the 69 Camaro they tested in the 69 Car Life spoiler article. And the Camaro ducktail spoiler is very similar to the AAR/TA. So if it worked on the Camaro I think it will work on the E-bodies.

In the article they got about 50 lbs of force at 70 mph,IIRC. Things just were starting to happen then

Re: Do spoilers work? [Re: autoxcuda] #142691
11/03/08 06:51 PM
11/03/08 06:51 PM
Joined: Jul 2005
Posts: 757
Toronto, Ont, Canada
boydsdodge Offline OP
super stock
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Toronto, Ont, Canada

Re: Do spoilers work? [Re: Rug_Trucker] #142692
11/04/08 04:41 AM
11/04/08 04:41 AM
Joined: Jan 2008
Posts: 2,592
None
71rm23 Offline
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Posts: 2,592
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Quote:

Quote:

Quote:

There are four forces that affect an airfoil.

thrust, drag, lift, gravity.




"Thrust"? Explain





Whatz da matter? Didn't you see "Chicken Run"




These four forces are more related to aviation/aeronautics. Think of thrust as "horsepower", I guess. The amount of force it takes to propel an object.

Gravity
Thrust + Drag
Lift

Drag tries to counter thrust
Gravity tries to counter lift

When thrust and lift overcomes the drag and gravity, you have propulsion

Re: Do spoilers work? [Re: autoxcuda] #142693
11/05/08 11:44 PM
11/05/08 11:44 PM
Joined: Apr 2005
Posts: 102
Round Rock, Tx
PlumCrazyChris Offline
member
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Joined: Apr 2005
Posts: 102
Round Rock, Tx
Quote:

If you look at Tom Quad's AAR at watkins glen I think he has a ABS plastic front spoiler. Those are much more durable than fiberglass. They will bend and then bend back. I have seen 67/69 Camaro spoilers adapted easy to various Mopars. Maybe even a 69/70 Mustang one?

Tom Quad where did that spoiler come from?





I found this link, maybe you could make one of these work. The price is sure right.

http://www.up22.com/spoilers.htm

Let us know what you find out.


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70 Challenger
www.mopar.org
Re: Do spoilers work? [Re: PlumCrazyChris] #142694
11/05/08 11:49 PM
11/05/08 11:49 PM
Joined: Apr 2005
Posts: 102
Round Rock, Tx
PlumCrazyChris Offline
member
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member

Joined: Apr 2005
Posts: 102
Round Rock, Tx
That link also has a nice page discussing aerodynamic principles.

http://www.up22.com/Aerodynamics.htm


VP of Mopar Muscle Cars of Austin
70 Challenger
www.mopar.org
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