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Brake Setup Advice please

 
Old 12-09-2018, 02:59 PM
  #11  
 
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+1 for the URGE rear vented rotors. With ducting I think you'll find you will have the temps under control. I'd do those before I upgraded the fronts.

Also, I too run the ST43 pads. They are super durable and I have had no issues with fade. Modulation is not as good as with the DTC60 I ran before but the Hawks are really excellent so set the bar high. And the ST43 are easy on rotors and the dust just washes off.
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Old 12-09-2018, 03:06 PM
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Originally Posted by Bullwings View Post
Save the money and do a true front BBK first. It will yield the most beneficial results. Re-evaluate afterwards if you still want/need the rear. It rounds out the braking package but is nowhere near as crucial as the front.

Keep in mind that replacement rings for the ST40 are anywhere from $476 to $600 for a set of 2 (~$238-$300 each) - (for those of you wondering, the low price, yes, I just picked up a set for that price last month - PM for details). You should get around 80-100 track days out of them. Replace when the slots disappear and your rotors look like blanks. The overall financial math still says it's worth it. You should be able to get an ST40 328x28mm kit for ~$1600, and residual used market value is around $1000.

I am also still on my original ST40 rings, from 2013. I anticipate getting at least another 2 years (16-20 track days) out of them.
math is quite simple. replacement rings for stoptechs=600 for 80 trackdays... SCR PRO rings=500 for 3 trackdays...easy math lol
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Old 12-09-2018, 03:07 PM
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Originally Posted by DanielB View Post
+1 for the URGE rear vented rotors. With ducting I think you'll find you will have the temps under control. I'd do those before I upgraded the fronts.

Also, I too run the ST43 pads. They are super durable and I have had no issues with fade. Modulation is not as good as with the DTC60 I ran before but the Hawks are really excellent so set the bar high. And the ST43 are easy on rotors and the dust just washes off.
Problem with ST43 pads is i can´t find them in europe..and importing is always a mess with waiting times and import duty
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Old 12-10-2018, 01:21 PM
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" You should get around 80-100 track days out of them"!!!!!!!

Me and a buddy of mines both have the Stoptech Trophy kit and the front rotors lasted us about 12-13 days until they cracked(Winmax W6 pads F+R). Which I'm ok with because the stopping power is great and still last triple more then what it use to be. We both don't running any cooling.
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Old 12-10-2018, 02:51 PM
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Originally Posted by 114_ap2 View Post
" You should get around 80-100 track days out of them"!!!!!!!

Me and a buddy of mines both have the Stoptech Trophy kit and the front rotors lasted us about 12-13 days until they cracked(Winmax W6 pads F+R). Which I'm ok with because the stopping power is great and still last triple more then what it use to be. We both don't running any cooling.
Your wear rate seems a bit out of the norm. I'm on the ST40 kit and have about 10 track days with the stoptech street pads and have only worn the pads down about halfway with no measureable wear on the rotors. I do have brake ducts. Tracks down in SoCal, so not the hardest on brakes.
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Old 12-10-2018, 04:09 PM
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Originally Posted by 114_ap2 View Post
" You should get around 80-100 track days out of them"!!!!!!!

Me and a buddy of mines both have the Stoptech Trophy kit and the front rotors lasted us about 12-13 days until they cracked(Winmax W6 pads F+R). Which I'm ok with because the stopping power is great and still last triple more then what it use to be. We both don't running any cooling.
When you say cracked do you mean to edge, or just the normal microcracking? That is... unusual...
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Old 12-10-2018, 04:54 PM
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Cracked as in to the edge with about a 1/5th of an inch gap. Tracks were all bay area tracks. Laguna, Thunderhill (5mile,east,west), Sonoma. Pads are at 30%-40% remaining.

Last edited by 114_ap2; 12-10-2018 at 04:58 PM.
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Old 12-10-2018, 08:19 PM
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Originally Posted by 114_ap2 View Post
Cracked as in to the edge with about a 1/5th of an inch gap. Tracks were all bay area tracks. Laguna, Thunderhill (5mile,east,west), Sonoma. Pads are at 30%-40% remaining.
Odd, I have 33 days/113 sessions on mine. Mine are used in TT so sessions are 15 min vs typical 20-25 min HPDE sessions but 10-12 days is way low. Mine are cooled and I run ST47 pads.
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Old 12-11-2018, 06:28 AM
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I have the Urge/Girodisc vented front and rears and they are fine for me (I wouldn't consider myself "fast" though). Front's have some micro-cracking after 10 days (not bad though) and rears are still good. Will add ducting this season to see if I can extend my front pad life a little. If I had to do it over again, I'd go with the Urge rear rotors again and spend the incremental $800 more for a true BBK in the front.
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Old 12-11-2018, 07:08 AM
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Originally Posted by roddyc View Post
I have the Urge/Girodisc vented front and rears and they are fine for me (I wouldn't consider myself "fast" though). Front's have some micro-cracking after 10 days (not bad though) and rears are still good. Will add ducting this season to see if I can extend my front pad life a little. If I had to do it over again, I'd go with the Urge rear rotors again and spend the incremental $800 more for a true BBK in the front.
This is the path I followed. I found the Girodisc in front to last just a bit longer in a 30 min session before mild fade set in, even with ducting, vs. Centric blanks. The improvement was small, perhaps just something I was imagining as I didn't have an objective way to measure. I eventually went with the SBG Wilwood BBK. This significantly changed the way I brake. I now can brake as hard as tire grip allows. Before I had to adjust braking points based on how much fade (heat) had built up in the session.
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