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Brake Duct Science with Keith Tanner (FM Live)

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This week on FM Live, Keith Tanner dives into the science of Brake Ducts. How do they work? Are they worth it? Do you need them?
NB2 Fog Light Brake Ducts
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NA Front Lip Brake Ducts
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Singular Motorsports Brake Duct Backing Plates
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Complete R-package Brake Duct Kit for NA Miatas
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Опубликовано:

7 сен 2023

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Комментарии : 31

@kylelambert1672 11 месяцев назад

It might be worth it to make a little grate to keep little critters and debris out

@JETZcorp 11 месяцев назад

My NC has bigger front rotors than my Dakota R/T. I've managed to make the brakes squishy in the Miata; the Dakota has seen flickering orange flames on the pads. So thanks, Keith, for the tech tips to improve my Dakota. Lol

@AlienMonkeyDXB Месяц назад

Great video. Thank you 😊

@FlyinMiataVideo Месяц назад

Glad it was helpful!

@Accost2u 11 месяцев назад

So I’m curious about using this same setup style but for an improved intake snorkel on a ND2. BBR has their version of it, do you think it would actually flow more fresh air?

@seethruhead7119 11 месяцев назад

I've heard anecdotal accounts from other drivers that when they got the right brake rotors (72 vane iirc) they no longer needed brake ducting on track.

@FlyinMiataVideo 11 месяцев назад

Rotors can only move the air that's already there, they can't bring in cold air from elsewhere. If a car is just barely overheating the brakes, you might get away with a rotor change to a magic rotor. But they're no replacement for a strong flow of ambient air.

@matthewosorio2500 5 месяцев назад

I don't have a miata but I've got a mr2 spyder and that 2nd duct that was shown looks like it'll somewhat fit my 02 stock bumper since I have a inlet that air goes in and does nothing.

@FlyinMiataVideo 5 месяцев назад

We've never tested fitment on an MR2, so we aren't too sure.

@emmanueldominguez3338 29 дней назад

For a daily driver in AZ with duct cooling, would a filter be wise to use a filter on the inlet of the break duct system?

@FlyinMiataVideo 29 дней назад

Hmm, I guess I wouldn't put brake ducts on a street car and what type of filter are you thinking? I guess I'm not getting it sorry. I'm sure there are some outliers for ducting though.

@emmanueldominguez3338 29 дней назад

No worries. You are correct on the filter. It'll be just be to reduce dust and other debris from entering the wheel hub area. Thanks for answering my question.

@allangray1631 Месяц назад

Do you guys make duct kits for SC400 soarer??

@FlyinMiataVideo Месяц назад

Just the Miata, sorry.

@pecanflyboy 11 месяцев назад

Hey Keith....totally off subject. You have a skid plate surrounding the rear diff and exhaust. Was this DIY or is there someone making it? I have a Getrag diff.

@FlyinMiataVideo 11 месяцев назад

This car was originally built to do tarmac rally, so it has a well-armored underside. Most of the skid plates have been removed but that one is still there. It was a DIY job based on a 2001-05 rear subframe brace with UHMW sliders.

@Gonso123 11 месяцев назад

Hi from Spain. I want to install a ducting for brakes but I have the Racing Beat nose. Do you know some duct like the 3D R-package version but for RacingBeat nose?

@FlyinMiataVideo 11 месяцев назад

We don't know of any. You might want to check with Racing Beat to see if there are any ducts available, otherwise you'll have to make your own.

@joelcarr1668 6 месяцев назад

How would brake duct perform in the rain tho, my thoughts are they will cause the rotor too warp from the water reaching it with the added cooling

@FlyinMiataVideo 6 месяцев назад

Good question! Since we're only talking about a little bit of water unless you plan to forge rivers, the water will rise in temp the closer it gets to the rotor and once there, the difference won't be enough to cause issue with the hot rotor. If you're not able to keep the pads in their temp range due to cold weather or rain, plug or reduce the duct inlet.

@jamesinoregon1081 7 месяцев назад

Have you tested naca ducts that would be located on the hood? would they generate enough air flow? I see them on the Porsche GT4 RS

@FlyinMiataVideo 7 месяцев назад

We haven't. The routing would be pretty bad to get cooling down to the rotors but it is a high pressure zone.

@jamesbell1314 9 месяцев назад

Is it better to duct cooling to the front brake rotor or the caliper?

@FlyinMiataVideo 9 месяцев назад

The center of the rotor. More details in the video!

@jamesbell1314 9 месяцев назад

Thanks for the advice. I will change from trying to cool the caliper on my race car.

@J11P338E 3 месяца назад

Great generic introduction. Thank you.

@FlyinMiataVideo 3 месяца назад

Thanks for watching!

@difusekitty3 22 дня назад

race pads need to get to the proper temp to work correctly. so how do you determine that additional cooling is necessary?

@FlyinMiataVideo 22 дня назад

If you are trying to reach a certain temperature, you can use Tempilac paint to measure how hot they’re getting. Or you can rely on driver feedback - it’s not unusual to adjust brake duct openings in cold temperatures. It’s usually fairly easy to tell if you’re overheating the pads.

@difusekitty3 22 дня назад

@@FlyinMiataVideo thanks for the info. i am running running wilwood 4 piston front and rear, plain rotors , and dtc-60 in front and dtc-30 in rear with no brake booster and adjustable pedal ratio, srf fluid. according to hawk these are the temp specs for the pads below.. what temps paint do you suggest ? where do you place it ? thanks very much for your time.. dtc-60 400-1600 Deg F Operating Temperature Range 600-1200 Deg F Optimal Temperature Range dtc-30 100-1200 Deg F Operating Temperature Range 100-800 Deg F Optimal Temperature Range

@FlyinMiataVideo 15 дней назад

@@difusekitty3 Put the paint on the outer edge of the rotor where it won't get scraped off. Like this: images.squarespace-cdn.com/content/v1/57ec4006ebbd1ad047055b4f/1501456289776-YQHOMZX9G7D32VZJXIYT/image-asset.jpeg It's far more likely you're going to overheat pads than have them too cool, so I'd choose some of the paints that are near the upper edge of the optimal temp for the pads. The lowest temp for the paint is 850, so we'd use that on the rear to make sure they're not overheating. On the front, probably 1000, 1100 and 1200 would be good. There's a 1300 as well but if you hit 1200 you already know you're past optimum.