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Old 10-14-2012, 09:57 AM   #1
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Brake ducts

Is there any brake duct kits out for our cars? Ive searched around and havent found anything, the only things i found were all custom jobs.
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Old 10-14-2012, 10:22 AM   #2
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I have been looking since I got the car. No one makes a kit. Found plenty of kits for Mustangs though.

I looked at the ZL1 brake ducts and like the Corvette's they aren't that good. They fall short of actually bringing cool air directly to hub.

I'm probably do the same as others and make a custom set. You can buy the dust shields for the rotors fairly cheap and I'll just cut the hole for the adapter and have it spot welded on. As for the inlets, I had thought about using the DRL ports, but now I'm leaning towards attaching a duct inlets in the lower grille. On the far left and right of the grille area the back panel is flat and could be cut out to make room for a duct. The car is in stored for the winter now so I just need time to get it up on a lift and start taking measurements and figure out where to route the duct.
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Old 10-14-2012, 11:15 AM   #3
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I looked at the ZL1 brake ducts and like the Corvette's they aren't that good. They fall short of actually bringing cool air directly to hub.
The ZL1 brake ducts aren't that good because you looked at them? One of the reasons why the ZL1 tops the Shelby GT500 is because of its brake ducts and fade-free brakes.
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Old 10-14-2012, 01:12 PM   #4
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The ZL1 brake ducts aren't that good because you looked at them? One of the reasons why the ZL1 tops the Shelby GT500 is because of its brake ducts and fade-free brakes.
It's not the ducts on the ZL1 that allows it to out brake the GT500. It's the fact that all Mustangs come with single piston rear calipers. Also, the ZL1 ducts aren't that effective as they only bring air to the wheel well, not directly onto the rotors where cooling is needed the most.
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Old 10-14-2012, 01:35 PM   #5
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The ZL1 brake ducts aren't that good because you looked at them? One of the reasons why the ZL1 tops the Shelby GT500 is because of its brake ducts and fade-free brakes.
Yeah if they perform like the Z06 brake ducts they aren't that great. Better than nothing. I "looked" at them and they are the same design as the Vettes. I have friends that race Z06s and they have warped rotors even with those type of ducts. The best design for a track car is putting the cool air right at the hub, period. The downside for a daily driver with putting air right at the hub is anything that gets sucked into the duct gets blown on your brakes.

As for comparing the ZL1 to the Mustang, Avalnch is correct. Do some homework before commenting on something you obviously don't know much about.
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Old 10-14-2012, 03:30 PM   #6
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Do some homework before commenting on something you obviously don't know much about.
You're right, I apologize-I'm no chief engineer and I don't know that much about brakes or ducts. I was just basing my conclusions from MT's Camaro ZL1 vs. Shelby GT500 article:

While the Mustang was a half-second faster around the track than the ZL1 on its best lap, it couldn't repeat the performance. By the end of the first lap, the brakes had already begun to heat up so badly, we could smell them from the pits as the car passed by on the front straight. By the end of the second lap, the Shelby had lost more than half of its advantage over the ZL1, turning a 1:39.03. By the third lap, the Mustang was behind the Camaro, turning a 1:39.30. The ZL1, meanwhile, never deviated by more than two-tenths of a second.

The problem, we suspect, is cooling. The Mustang is 234 pounds lighter than the Camaro and has larger front brakes, and while it has more power and more speed to deal with, it should stop better. In a single attempt, it does, stopping from 60 mph 7 feet shorter than the Camaro. At the track, though, Randy complained of serious fade. "Brakes lack bite, worse each lap," he noted. "Feels like it doesn't want to stop. Disconcerting." We took a look under the cars, and where the Camaro had obvious ductwork to provide cool air to the front brakes, the Mustang had none.
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Old 10-15-2012, 12:38 AM   #7
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Originally Posted by bannonm View Post
I have been looking since I got the car. No one makes a kit. Found plenty of kits for Mustangs though.

I looked at the ZL1 brake ducts and like the Corvette's they aren't that good. They fall short of actually bringing cool air directly to hub.

I'm probably do the same as others and make a custom set. You can buy the dust shields for the rotors fairly cheap and I'll just cut the hole for the adapter and have it spot welded on. As for the inlets, I had thought about using the DRL ports, but now I'm leaning towards attaching a duct inlets in the lower grille. On the far left and right of the grille area the back panel is flat and could be cut out to make room for a duct. The car is in stored for the winter now so I just need time to get it up on a lift and start taking measurements and figure out where to route the duct.
I like the lower grill idea, i wouldnt want to lose my fogs
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Old 12-23-2012, 11:01 AM   #8
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You're right, I apologize-I'm no chief engineer and I don't know that much about brakes or ducts. I was just basing my conclusions from MT's Camaro ZL1 vs. Shelby GT500 article:

While the Mustang was a half-second faster around the track than the ZL1 on its best lap, it couldn't repeat the performance. By the end of the first lap, the brakes had already begun to heat up so badly, we could smell them from the pits as the car passed by on the front straight. By the end of the second lap, the Shelby had lost more than half of its advantage over the ZL1, turning a 1:39.03. By the third lap, the Mustang was behind the Camaro, turning a 1:39.30. The ZL1, meanwhile, never deviated by more than two-tenths of a second.

The problem, we suspect, is cooling. The Mustang is 234 pounds lighter than the Camaro and has larger front brakes, and while it has more power and more speed to deal with, it should stop better. In a single attempt, it does, stopping from 60 mph 7 feet shorter than the Camaro. At the track, though, Randy complained of serious fade. "Brakes lack bite, worse each lap," he noted. "Feels like it doesn't want to stop. Disconcerting." We took a look under the cars, and where the Camaro had obvious ductwork to provide cool air to the front brakes, the Mustang had none.


I read that very same Article! Was a great read! I'm assuming professional opinions do hold some weight, correct?
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Old 12-23-2012, 11:11 AM   #9
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I read that very same Article! Was a great read! I'm assuming professional opinions do hold some weight, correct?
Unbiased opinions yes. Motor trend is a highly biased source.
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Old 12-23-2012, 11:16 AM   #10
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http://www.camaro5.com/forums/showthread.php?t=266566

check this out
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Old 12-24-2012, 10:57 AM   #11
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Brake ducts, among other things are coming in very short order.....

LG Motorsports Race Build
http://www.camaro5.com/forums/showthread.php?t=200908
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Old 02-18-2013, 07:35 PM   #12
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Brake ducts, among other things are coming in very short order.....

LG Motorsports Race Build
http://www.camaro5.com/forums/showthread.php?t=200908
Any update on the brake ducts?
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Old 02-19-2013, 07:27 AM   #13
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Old 02-19-2013, 08:30 AM   #14
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Make them yourself. I'm finishing my custom belly pan now, and then the brake ducts are next. I've already test run 2-1/2 duct and that's about the biggest you'll be able to run through the engine compartment and right up to the hub. I just bought spare dust shields at $5 ea and using 2-1/2" coupling for exhaust system at $3 each. This will be cut and welded to the dust shield to attach the hose.

For the intake, I'm using a brake duct headlight mount. I'll need 3" to 2-1/2 adapter since I have not found mounts with 2-1/2" fittings. This will be mounted to the left and right of the lower grille area. There's a plastic air damn that can be cut and the headlight mount attached.

Here's a picture of how the dust shield would like (not from a Camaro). Once I finalize how I'm doing this, I'll post the pics.
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Old 02-19-2013, 12:22 PM   #15
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Old 02-19-2013, 03:01 PM   #16
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Anthony@LG Motorsports says they are working on a kit,says it should be ready in a few weeks!
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Old 03-01-2013, 08:19 AM   #17
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Make them yourself. I'm finishing my custom belly pan now, and then the brake ducts are next. I've already test run 2-1/2 duct and that's about the biggest you'll be able to run through the engine compartment and right up to the hub. I just bought spare dust shields at $5 ea and using 2-1/2" coupling for exhaust system at $3 each. This will be cut and welded to the dust shield to attach the hose.

For the intake, I'm using a brake duct headlight mount. I'll need 3" to 2-1/2 adapter since I have not found mounts with 2-1/2" fittings. This will be mounted to the left and right of the lower grille area. There's a plastic air damn that can be cut and the headlight mount attached.

Here's a picture of how the dust shield would like (not from a Camaro). Once I finalize how I'm doing this, I'll post the pics.
How's the brake duct project going? Could you post some pics and a par list of exactly what you bought? This kind of info would be really helpful. I am also concerned about routing through the engine bay as I have some other stuff going on down there (SC coolant lines, oil cooler lines) and would love to see where yours would route. Thanks man!
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Old 03-01-2013, 09:39 AM   #18
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that looked like an older gt500 duct kit
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Old 03-01-2013, 12:12 PM   #19
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Anthony@LG Motorsports says they are working on a kit,says it should be ready in a few weeks!
Thats what they said a few weeks ago

Just kidding LG... But seriously hurry up
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Old 03-01-2013, 04:54 PM   #20
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I'm going to be doing mine this weekend. I removed the fog lights and will be pulling air in from there. I plan on modifying the backing plate at the other end. I'll post some pics when I get it done...
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Old 03-02-2013, 12:05 PM   #21
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I hope the kit from LG Motorsports uses the lower grill area,I use my fog lights!
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Old 03-02-2013, 12:22 PM   #22
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[QUOTE=bannonm;5692756]
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Originally Posted by jameslk350 View Post
The ZL1 brake ducts aren't that good because you looked at them? One of the reasons why the ZL1 tops the Shelby GT500 is because of its brake ducts and fade-free brakes.[/QUOTE

Yeah if they perform like the Z06 brake ducts they aren't that great. Better than nothing. I "looked" at them and they are the same design as the Vettes. I have friends that race Z06s and they have warped rotors even with those type of ducts. The best design for a track car is putting the cool air right at the hub, period. The downside for a daily driver with putting air right at the hub is anything that gets sucked into the duct gets blown on your brakes.

As for comparing the ZL1 to the Mustang, Avalnch is correct. Do some homework before commenting on something you obviously don't know much about.
I was thinking of making intake brake ducts with a sliding piece to close when you are on the street and open when you are at the track, as long as you have the hose adapter for the shield everything is cake. Also I heard that channeling the cool air between the rotor from the front is better than from the side because this method cools both blades vs. just the inner rotor blade resulting in a cooler inner rotor with a hotter outer rotor surface.
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Old 03-02-2013, 12:46 PM   #23
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How's the brake duct project going? Could you post some pics and a par list of exactly what you bought? This kind of info would be really helpful. I am also concerned about routing through the engine bay as I have some other stuff going on down there (SC coolant lines, oil cooler lines) and would love to see where yours would route. Thanks man!
Actually I'm finishing the belly pan project today once I can make it over to the shop. Then I'm starting the brake duct project. I've done some more research and listened to some other ideas. This has caused me to rethink how to approach this. So, the ZL1 only uses a much smaller dust shield. Why I wondered? My buddy has a Z51 and it has no dust shields at all, the ducts just blow on the brakes similar to the way the ZL1 does. Obviously the dust shields hold in heat. So, since this is not a DD nor will it intentionally see rain I might either go with the ZL1 shields or trim the spares I bought. Still trying to decide if mounting the duct right to the dust shield is worth the effort or just have the duct pointed at the hub/rotors with the smaller shields. Leaning towards running them to the shields.

I'm 99% sure you won't be able to run a 3 inch pipe through the engine bay without smashing it up. I have test run a 2-1/2 duct and was able to get that in without a lot of problems.

So to reiterate, I'm going with the headlight duct adapters and mounting those to the left and right of the air damn in the lower grille. This means cutting out the plastic and riveting or bolting in the adapters to the air damn. I'll need a 3" to 2.5" adapter to run the smaller duct back to the brakes.

Since the dust shield is steel, I'll cut holes where I want the duct to be attached and weld the muffler adapters I found at autozone for 2.5 exhaust pipe.

Using the DRL lights is another way to get air, but I prefer to leave mine intact. The plastic air damn is inexpensive enough that if I remove the ducts for some reason, I can get it replaced.
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Old 03-02-2013, 12:54 PM   #24
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[QUOTE=L99CAMA2011;6236297]
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I was thinking of making intake brake ducts with a sliding piece to close when you are on the street and open when you are at the track, as long as you have the hose adapter for the shield everything is cake. Also I heard that channeling the cool air between the rotor from the front is better than from the side because this method cools both blades vs. just the inner rotor blade resulting in a cooler inner rotor with a hotter outer rotor surface.
Sounds logical that keeping both sides even temperature, but I wonder if it's more important to keep the hub temps down. I've already melted my wheel center caps because of temperature. I think too it would require a more elaborate adapter to blow air from the front.
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Old 03-02-2013, 11:44 PM   #25
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[QUOTE=bannonm;6236395]
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Sounds logical that keeping both sides even temperature, but I wonder if it's more important to keep the hub temps down. I've already melted my wheel center caps because of temperature. I think too it would require a more elaborate adapter to blow air from the front.
I think I saw this application when I was driving BMWs. Forgot which brand the kit is for but guys using it said it did a better job and reduced warped rotors big time. And yeah that keeping hubs cool thing is a good reason to go with the conventional method of cooling rotors.
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