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I am not having issues with going through rotors, but I think I might just not be using my cars brakes that hard.
That being said, I really want some awesome J-hook goodness. I'm in.
I have had no issues with my 11.75 wilwood rotors, other than life. They last me about 6 track days. The end of their life, for me, is thermal fatigue cracking in the hat mount area. I will try these next year when my current brand new set of wilwood rotors does the same. I can see that these have a much higher radius curve in that area, as well as what looks like thicker material there, which should help with that issue significantly.
We have the best platform development community anywhere. Thanks guys. Now for a T5 swap, and roller bearing hubs, so everything is 350 capable!
FYI - I was getting cracking on my 11.75" BBK with race use but since moving to proper brake ducts/backing plates and 3" hoses (from average plates and 2" ducts) this has improved considerably.
It is still happening but in a much more controlled manner.
The lifespan of the cheap Willwood rotors for me now is about 10 -14 race meetings. About a season and a 1/2.
I am intrigued by these AP's not so much for better life, though I am sure they will and they is a win but the cost versus the lifespan of the cheap willwoods make it a not very cost effective upgrade for me...exchange rate, shiping, customs etc. ....but I am still interested in possibility of improved pad life.
I presume that the promise/premise of running cooler means the pad life will likely improve....?
Here's a data point on the Wilwood econo rotor, we ran these on a 225whp Miata weighing in at 2275lbs for almost 14 hours, I say almost as they cracked at the 13th hour and you could feel it with a notable pedal pulsing. We've run the PFC rings but they are harder to find and more expensive, just ordered a couple sets of these J hooks to see how they do at Mid-Ohio in two weeks.
FYI - I was getting cracking on my 11.75" BBK with race use but since moving to proper brake ducts/backing plates and 3" hoses (from average plates and 2" ducts) this has improved considerably.
It is still happening but in a much more controlled manner.
The lifespan of the cheap Willwood rotors for me now is about 10 -14 race meetings. About a season and a 1/2.
I am intrigued by these AP's not so much for better life, though I am sure they will and they is a win but the cost versus the lifespan of the cheap willwoods make it a not very cost effective upgrade for me...exchange rate, shiping, customs etc. ....but I am still interested in possibility of improved pad life.
I presume that the promise/premise of running cooler means the pad life will likely improve....?
Why not try something in between? I've had great results with the 949 rotors. The Wilwood Spec 37 rotors are good too!
Last edited by k24madness; 01-21-2017 at 09:54 AM.
160-0471 Ultralight 32V Iron, 8.1Lbs $38.70 (Street use Only). garbage for heavy track use. 160-5841 Ultralight HP 23V better Iron,8.1Lbs$87.90 light or low hp track maybe 160-12283-4 HD 36V Curved Vane, Spec 37 Iron, 9.1Lbs $106.91 Good stuff lasts well for heavy track use.
New Wilwood might re space caliper for .99" width instead of .81. 160-13978-9 ULHD 16V Curved vane, Spec37 Iron, 7.1 Lbs. $86.25that’s light! want for autocross wonder if would work for the track but kind of doubt being its so light. Wilwood Disc Brakes - Rotor No: 160-13978
Bad things always happened for me with any form of slots I don't think they add anything in way of performance.
Thank you for pointing out all the alternative rotors to the AP rings...? I'm aware of the other options.
Our goal has been to offer something at the top of the quality spectrum.
yea I suspect the AP are higher quality. But I wanted to add not all the Wilwood options are the same and there good ones cost almost as much as AP I've also used Coleman and some others with good results mostly I've found you get what you pay for, The cheap versioins Wilwoods are just cheap and not good for track use.
These AP's are cheaper than the top Wilwood options, are they not? $134/each vs $140/each.
MSRP from wilwood $106.91 actual price from Summit racing $98.99. Summit has other brands as well, I haven't tried AFCO but they make rotors as well. it be hard to get a real scientific comparison I bet. AP seems like the good stuff you find on serious race cars. Brembo use to mean quality but they sell a bunch of Chinese and Mexican cheap stuff as well.
10-01-2016, 02:06 AM
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