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Old 08-06-2007, 05:44 PM   #1
LazarusZX3
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Brake Ducts in STS

Are they legal?


Also, has anyone made some for their car?

http://www.focusfanatics.com/forum/showthread.php?t=130172


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Old 08-06-2007, 05:52 PM   #2
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yes brake ducts are legal in STS.
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Old 08-06-2007, 05:54 PM   #3
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or...
more specifically...
14.6 BRAKES
...
C. Air ducts may be fitted to the brakes, provided that they extend
in a forward direction only, and that no changes are made in the
body/structure for their use. They may serve no other purpose.
...
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Old 08-06-2007, 05:56 PM   #4
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Awesome. Now I just need help getting the ducting to stay pointed at the rotor. I just need to get a friend to fab me a plate, I guess.
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Old 08-07-2007, 07:42 AM   #5
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Huh, that's cool, for some reason I thought this was a Street Prepared mod. I'll keep this in mind if I jump out of the GS pond.
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Old 08-07-2007, 08:15 AM   #6
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Do you even need them for autocross? I haven't had a problem even on a big track like beaverun or mid-ohio.
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Old 08-07-2007, 08:40 AM   #7
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I would think that they would cause more harm than good on an autocross course, because they would add weight. not much weight but weight. And I wouldn't think you need the cooling because you average race is what a minute? in that amount of time your breaks are just starting to warm up let alone over heating.
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Old 08-07-2007, 10:22 AM   #8
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Quote:
Originally Posted by BadIdea View Post
Do you even need them for autocross? I haven't had a problem even on a big track like beaverun or mid-ohio.
Yep. Don't really think you need them.

The only possible exception would be if you ran a high speed AX like at Cumberland Airport or at an SCCA Solo2 event on a track. Even then, I doubt seriously that you would notice a difference.

The brake duct allowance was put in place for larger heavy cars that employ a closed type of wheel. Mercedes, BMW and the like where heat gets trapped between the wheel and the rotor.

I would say that adding brake ducts to a focus, SVT or otherwise, is unneccessary.
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Old 08-07-2007, 10:58 AM   #9
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^^ agreed. But if you must, check eBay for some brake duct hosing. I got a good 5' or so for 40 bucks to replace my worn pipercross hose (which is actually brake ducting hose)
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Old 08-10-2007, 07:28 PM   #10
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Maybe I just need to upgrade my brakes, haha.
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