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#1
06-09-2007, 04:28 AM
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Best rotors?
I was curious what rotors people are running on their cars? Any certain brands or sellers people have had good luck with? Seems like I've been going threw them about every 6 months. Damn our heavy beautiful cars
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#3
06-09-2007, 12:17 PM
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There are a few places that members have purchased them. One is IRotors and the ones I have came from Race Concepts. He has given us a group buy price a few times. They come slotted, slotted and dimple drilled, and dimple drilled. They usually have the brakes and fluid included in the kit they sell. I would also suggest the ss brake lines at the same time. That is a great upgrade to your brakes.
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. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#4
06-09-2007, 04:53 PM
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The last 3 sets of rotors I have used were slotted and drilled. First set I bought off Ebay were warped really bad after about a week. The second set I spent about $400 on four all four from NAPA lasted longer, but still ended up warping the front ones. I had NAPA warrenty them and got brand new ones for the front which are now warped again. The pads I'm using are Akebono Pro-Act Ceramics. I have new calipers all around and I have been running the ss brake lines for about the last 2 years. I think my only real fix is a big brake kit, but don't have the money for that right now. I just hate throwing money away on rotors that only last me about 6 months at the most. Hopefully my next ones will last a little longer. The funny thing is I'm not even hard and never just slam on the brakes.
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#5
06-09-2007, 05:43 PM
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What were the brands (other than NAPA) or who did you buy them from?
__________________
. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#6
06-09-2007, 07:30 PM
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I can't remember the Ebay seller I bought them from. I know it wasn't Raceconcepts though. They were advertised as Brembo rotors and when I received them they did say Brembo on them, but I called the Brembo company and they told me they do not make rotors for the SVX. So they must of been some knock offs.
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#7
06-09-2007, 08:06 PM
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Rotors
I've had ART rotors on for about Five years and never had any problems. As has been pointed out drilled are not good unless the holes are cast in at the time the rotors are made. And don't buy anything from China. Take care, BOBB
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#8
06-09-2007, 08:07 PM
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That is why dimple drilled is better.
__________________
. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#9
06-09-2007, 10:47 PM
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Quote:
http://www.stoptech.com/tech_info/wp...rakedisk.shtml Your problem is that you're using ceramic pads, which although great for daily driving, do NOT have the maximum operating temperature of metallics, and thus overheat, and result in uneven pad deposits, and a pulsating pedal. I've been using Axxis Ultimates and metal masters for a few years now, and they not only stop really well, but I have NEVER had a pulsating brake pedal. Their maximum operating temperature is ridiculously high for a street pad, the ONLY downside to them is they dust a LOT.
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#10
06-09-2007, 10:48 PM
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Quote:
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#11
06-09-2007, 11:34 PM
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Rotors most certainly DO warp. who ever wrote that little steaming pile certainly has never owned an automatic SHO with stock brakes. You can warp the front rotors to tierod and balljoint shattering levels with just a couple miles of downgrade if you fail to enginebrake and learn to let it cool before getting on it again.
nice thing was you could get them back straight with a very very careful cooling cycle after getting them hot again. Who ever wrote it kinda skirted around the issue. Improper Rotor design in hat vs disk and seriously insufficent thermal mass and cooling = warped rotor. Mind these were seriously crap rotors such that you could warp them with ease if you didn't install your rims correctly and it put stress on the hat. That said, I've been a fan of the cheap chinese rotors from autozone based on the above experience given that they were a few lbs heavier than the OEM ford part. A couple lbs heavier means a couple lbs more mass adding stiffness and absorbing heat so peak tempatures are lower. Never warped those rotors. Then again I never let my mom drive the car with those brakes so they never got truely tested.
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#12
06-10-2007, 09:29 AM
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Quote:
http://www.carrollsmith.com/biography/index.html He's also the one who wrote some of the most famous racecar engineering books on the planet. I'm pretty sure he knows what he's talking about, especially since after reading his books, and taking his advice by purchasing pads with the highest posssible max operating temp, I've had ZERO pedal pulsation in quite a few years in ALL my cars.
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#13
06-10-2007, 09:39 AM
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yah, well, even the smartest of people can be idiots at times.
There is definitely cases where rotors can and do warp. He is not going to see them given that he tends to work with cars with properly engineered brakes, and that have extensive mesures taken to ensure they work right. Like I said, go drive a 1993-1995 Ford Taurus SHO automatic with stock brakes and you will learn what brake warping is if you are not careful. As I said its a result of poor rotor design, but its clear proof that it DOES exist. I would submit that he is correct that rotorwarping doesn't exist in properly engineered braking systems, but to say it doesn't exist at all?
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#14
06-10-2007, 09:45 AM
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Quote:
And again, I don't think that Carroll Smith, author of some of the most famous racecar engineering books on the planet, read by thousands of cargeeks/engineers world over, would read something like this and not notice a huge glaring flaw in it. So either: 1. All the car geeks/engineers in the world just happened to not see this part, and you're right. or 2. They did read it, and you're wrong. 
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#15
06-10-2007, 11:08 AM
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Yah, it has nothing to do with the pads. You can replicate it with improper torque on the lugnuts warping the hat, which warps the rotor.
Now, I KNOW there is tons of things that get mistaken for warped rotors, but given the evidence of thousands of owners of this one car, its safe to say its the rotors are warping and not the pads or anything else. If you use the 96+ caliper brackets and rotors you get 0 warping issues even with the same old pads in the same old calipers. It even removes the lugnut torque sequence from affecting it. Strange that. I haven't gotten my SVX to do anything but fade badly.
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