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Brake duct setup

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Old Jan 21, 2009 | 08:38 AM
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c32b's Avatar
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Default Brake duct setup

Hi guys, would like to contribute my share stuff I've done for my car which helped.

Done a custom brake ducting for the front and rear of the car as track temps (>50deg C at peak) are really high at Sepang International Circuit in Malaysia.

Front ducts are aimed at the pads and the pot of the caliper and the cut out of the front bumper is perfect for the entry.

Rear ducts are directed to the disc rotor and run from the undercarriage.

A previous setup done by my friend Shaun (credit to him for the initial build and advice on how to improve on the earlier setup) worked but this was a slightly modified setup to allow any debris collected in the pipes to fall out, meshing was in place and piping was spaced slightly from disc rotor and backing plate to avoid backing up of air flow.

Previously, hard lapping session of a few rounds of 5 laps straight would result in spongy pedal and boiled fluid. So far, after the 1st session hard lapping of 6-8 strings of 5 laps straight, I have not detected any fade.

Managed to clock a personal best timing with the confidence given by the consistency of braking.

Current setup is as follows:

Stock engine, stock exhaust including cat, stock suspension, stock ecu ( 180km/h speedcut still in place), stock brakes.

More aggressive alignment (F 1'50, R 2'30) , tyres changed to federal 595ss (for durable use), trust oil cooler, custom brake ducting, only front brake pads are seidoya 600deg, rears are stock, HPI steel braided brake lines, motul RBF600 brake fluid, motul 300v 5w-40 engine oil, motul gear 300 gearbox fluid (Type LSD for rear diff) , pbox datalogger, defi oil temp, water temp & oil pressure gauges


Appreciate your feedback if any.

http://www.flickr.com/photos/34561226@N05/3215124083
http://www.flickr.com/photos/34561226@N05/3215111739
http://www.flickr.com/photos/34561226@N05/3215958196
http://www.flickr.com/photos/34561226@N05/3215119827
http://www.flickr.com/photos/34561226@N05/3215966962

NB: Rotor temp paint might be used later on to assess the benefits more accurately.
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Old Jan 21, 2009 | 08:40 AM
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I can
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Old Jan 21, 2009 | 08:42 AM
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sorry but i've edited my post for u to click on the url
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Old Jan 21, 2009 | 04:36 PM
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Can you post a few more pictures of the rear and maybe a write up? I am currently putting in my front ducts and have been looking for a way to duct the rears. I think I see how you did it, but am not sure.

THX
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Old Jan 21, 2009 | 04:41 PM
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wow great job. i really need to get some materials together to do this job.

+1 for a write up.
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Old Jan 21, 2009 | 05:12 PM
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Looks good. What duct size did you use?
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Old Jan 22, 2009 | 02:59 AM
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[quote name='Budman05' date='Jan 21 2009, 05:36 PM'] Can you post a few more pictures of the rear and maybe a write up?
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Old Jan 22, 2009 | 03:01 AM
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Originally Posted by honda9krpm' date='Jan 21 2009, 06:12 PM
Looks good. What duct size did you use?
will measure and let u know. i didnt actually do it myself. worked together with a workshop on the development.
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Old Jan 22, 2009 | 09:30 AM
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not bad, I like it
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Old Jan 22, 2009 | 08:45 PM
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Look like you aim your hose at the inside of the caliper/pad. PLEASE Correct me if I'm wrong. I can't see 3D on the picture. Do you have a problem of uneven cooling between inside pad and outside pad?

I see most of the ducting aim to the center of the rotor which air will go in the middle of rotor. Make it cool evenly.
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