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08-05-2012, 11:26 AM | #1 |
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Brake duct kit - Cantrell Motorsports
Road America! (sorry Brian I am going to miss VIR pit duty)
As an intermediate frequency track junkie I've decided to add ventilation to my brakes rather than go BBK. I've had good luck with track pads for the past 3 years, so for me this is the next logical step. I've run Road America two years ago and that is one place (seriously though, you need good brakes at every track) where you need to have good brakes lap after lap. This gives just a bit more security. Cantrell motorsports kit has been shown here before so no install photos but I did add block offs since my car is daily driver and I don't want rain running up the ducts during regular use. Last edited by VictorH; 08-15-2012 at 05:29 PM.. |
08-05-2012, 01:06 PM | #3 |
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Nice blocking plates.
I see you went in front of instead of between the control arms. Let us know if you get any wear on the tubing......
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08-05-2012, 01:14 PM | #4 |
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I've had these on for the past week. The only rubbing is at full lock and it's a bit more full lock left and almost none full lock right. This past week I was running my stock 245/35/19 wheels, this weekend I switched over to my 255/35/19 track tires and it still looks okay.
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08-05-2012, 02:33 PM | #5 |
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Looks good. Does anyone know if this routing works better or the traditional "straight beside the control arm" routing?
I removed my hoses for the street since mine were rubbing around 1 full turn either side. |
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08-06-2012, 07:30 PM | #6 | |
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08-06-2012, 07:42 PM | #7 | |
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The rubbing wasn't a huge deal, a full turn each direction is quite a bit of movement. I mainly removed it for easy parking maneuvers and bc my hoses are the expensive orange kind and i don't want to buy more $80 hose. |
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08-06-2012, 07:50 PM | #8 | ||
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08-15-2012, 05:33 PM | #9 |
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Just back from day & 1/2 at Road America with my brake duct kit. First, essentially no rubbing! Only at max lock does it just rub a bit and I'm almost never there (only rarely in a parking lot). The adjustment I did to the tubing per Cantrell recommendation was to squeeze the tubing into an oval where it crosses over the lower control arm and this give a bit more clearance.
As to performance. Ran the first session with ducts blocked off to bed in the pads, and the track was moist with a threat of rain. Then took off covers and ran the rest of the event with the ducts open. Brakes were rock solid throughout every session. Heat build up was lower too. Coming in from the track the rear brakes would be pretty hot, with the usual clicking noise and a lot of heat coming off the rotors. Fronts were hot too, but much cooler by feel and no clicking noises. Overall, very effective and worthwhile addition. Can't tell about pad wear yet but would expect it to be reduced too. Last edited by VictorH; 08-15-2012 at 06:55 PM.. |
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08-15-2012, 06:16 PM | #10 |
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Gosh, you guys must push your car harder than I do with my E92. I have never had track pads show any sign of fade, back off in performance, or any other abnormality. They have been, and remain, rock solid for the event. Now, I run agressive laps at VIR, hard and deep into the corner on the brakes a minium of four times during each lap, and my car remains confortably controlable through out the session. Additionally, I get almost a complete season out of my pads, 15 HPDEs with two to three days each.
FYI, my car is teched closely prior to each event, and any question about anything is handled fully prior to arrival at the track. In short, I am an instructor, but mainly a chicken when driving my M3. vz
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08-15-2012, 06:50 PM | #11 | |
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Last edited by VictorH; 08-15-2012 at 06:57 PM.. |
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