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Discussion Starter · #1 ·
Has anyone cut down the rear disk dust cover to allow more airflow? I don't want to remove it as it would expose the E-Brake shoes and components.
 

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Re: Rear Brake disk dust cover (PMPN8EZ)

I'd leave it alone. The caliper should get plenty of air with the stock wheels and aftermarket wheels as long as they are not solid discs and the rotors are also vented. I'd rather keep the elements out of the e-brake as much as possible, especially with our e-brake.

The car puts most of its braking force up front too, so I doubt you'll notice any increase in braking performance. If you want to cool off the brakes any further over stock look at cross drilled rotors and different brake pad compounds, starting at the front wheels.
 

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Re: Rear Brake disk dust cover (PMPN8EZ)

The front brake disc dust cover should unbolt and remove easily, I don't recall if you have to take off the caliper but I think not? No ebrake to worry about exposing up there of course
 

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Discussion Starter · #4 ·
Re: Rear Brake disk dust cover (PMPN8EZ)

Thanks guys, I will leave the dust cover alone.

I was also looking at placing a NACA duct into the Sport body side skirts (which is an enclosed tube). There is a full opening at the back of the side skirt exiting at the rear wheels. I was thinking of cutting a carbon fiber naca duct into it and forcing air flow down the interior of the skirt. It would actually flow air into the rear wheel wells very well. And could look unique. It wouldn't be absolutely flush to body as it would sit on top of skirt surface, so I would have to analyze that before committing the body panel.
 

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BTW the brake rotor dust cover isn't really a dust cover at all--it functions more like a water and grime shield to keep rain and puddle water as well as grease and grime (e.g. outboard CV joint grease from a failed CV joint boot) from splashing onto the rotor.

Wet rotors don't stop all that well nor do greasy rotors.
 

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Re: (Dextrobrick)

Quote, originally posted by Dextrobrick »
BTW the brake rotor dust cover isn't really a dust cover at all--it functions more like a water and grime shield to keep rain and puddle water as well as grease and grime

It's a noisy STONE cover .... too many dead-people coz of it in the trunck in the past omg huge fun for me before they found it
louzy crap soft SUM-SW to fix it .... and the story hasn't ended yet
 

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Re: (JARMO)

Unless you rigorously track your car, the covers can stay on. If you want to remove them, the fronts are easy. The backs are a PITA and I left them on. I do not agree that the back brakes do not get hot. The DSTC system uses the backs considerably which is why in some cases the rear pads get consumed. Depending on how you use DSTC on the track, you may or may not have brake heating issues there. I had added a small deflector vane on the lower rear control arm but never finished exploring that option.
 
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