Question How do i get more air to the brakes? I've never seen more than the stillen kit on a 370z. - Also this is my only car... so it
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06-06-2017, 12:21 PM | #1 (permalink) |
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Additional Brake Cooling?
Question
How do i get more air to the brakes? I've never seen more than the stillen kit on a 370z. - Also this is my only car... so it can't be stupid for usability. :-) After a 2 mile cool down:
Track day specs:
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Last edited by osbornsm; 06-07-2017 at 09:49 AM. |
06-06-2017, 12:45 PM | #2 (permalink) |
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Quickest solution but most expensive would be . . . throwing $6K at a Stillen/AP Racing RadiCAL or some other similar system
but how bout these? Z1 2-pc rotors. They are internally vented in a manner i don't think the DBA ones are. https://www.z1motorsports.com/brakes...rs-p-7025.html As for the oil temps . . . time for a 34 row?
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06-06-2017, 01:40 PM | #3 (permalink) | |
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Quote:
- DBA has their own proprietary vane system Oil temps yeah... I'd imagine another 9 rows on the cooler would help.
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06-06-2017, 01:51 PM | #4 (permalink) |
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Well, i mentioned the RadiCAL system (or something from Brembo, etc) because it would accomodate an even larger rotor for more heat disappation
but it seems like their rotors are internally vented based on the pics here: Why Upgrade Your Brakes | AP Racing Radi-Cal Big Brake Kits by STILLEN Sounds like based on your use and tires you are reaching the limits of the OEM braking system and it may be time to step up to a "big brake kit"
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06-06-2017, 03:14 PM | #5 (permalink) | |
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Quote:
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06-06-2017, 03:25 PM | #6 (permalink) |
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How about larger duct or secondary ducts?
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06-06-2017, 03:59 PM | #7 (permalink) |
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Additionally, keep in mind that the ferrous rotors used in endurance racing commonly reach temperatures of 1500°F or higher under braking (this is the glow you see during night races).
IMHO I'd consider a secondary duct for the caliper and call it a day for now. You might also look into some temperature indicating paint to determine just how hot the rotors and calipers are getting at peak temperature. Temperature indicating paint
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06-06-2017, 04:01 PM | #8 (permalink) |
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You need more air thru the rotor.
Your sig says you have the stillen kit and that is only 50mm hose - you need 75 or 100mm You need to direct air into the centre of the rotor and that requires a backing plate to make sure the air is definitely directed into the centre of the rotor. You should be able to modify the Stillen backing plate to suit larger hose Oil temps at 270 degrees is too close to the edge and a bigger cooler is needed. Ideally, oil temp should be within 10-15 degrees of water temps Last edited by BGTV8; 06-06-2017 at 04:08 PM. |
06-07-2017, 12:30 AM | #9 (permalink) |
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You need more air. If you can't run a 3" or 4" hose. Run 2, 2" hoses to each rotor. One front, one rear of the coil-over. You need bigger oil cooler too.
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06-07-2017, 03:03 AM | #10 (permalink) |
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Change your oil asap. Once oil sees temps over 250/260 it breaks down very fast and becomes useless. Better the oil of course and better the base stock used the longer it'll last though.
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06-07-2017, 09:44 AM | #11 (permalink) | |
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Quote:
I'll swap out oil this weekend. And rotors And shocks And pads And tires And wheels Sheesh, i don't think i have enough weekend!!
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06-07-2017, 09:46 AM | #12 (permalink) |
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For all of those recommending extra brake ducting... here's another question...
Question - Has anyone done a 2nd hose to their rotor before? I'm open to suggestions. BUT not sure how to do fitment. hmm... |
06-07-2017, 12:04 PM | #13 (permalink) |
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A couple of people have done the 2nd hose. Just can't remember who. The one was on a Nismo with the Nismo RC brake ducts, which have a 4" opening. They used a 4" to 2-2" hose splitter. You just may need to have a larger inlet opening.
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06-07-2017, 12:39 PM | #14 (permalink) | |
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Quote:
Wondering where a different intake might go. *scratches head
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06-07-2017, 12:43 PM | #15 (permalink) |
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Maybe you could put a couple of generic NACA ducts on the undertray and use that as the air intake to the hoses.
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