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I've had a hankering to beef up my brakes and the SPMotorsports kit seems just the ticket. Problem is (apart from finding money), I've seen more than a few complaints about aftermarket rotor warpage only after a few hundred to a few thousand miles (this just won't do. I'm not in the habit of swapping rotors every month or so). To those who have used x-drilled or slotted rotors on their contours, what are your experiences?
Thanks.
JaTo Overland Park, KS JaTo@kc.rr.com
99 Contour SVT #143/2760 Modded to Taste
00 Corvette Coupe Modded to Haste
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I have the SPMotorsports Brembo/KVR setup on my SE and after 1100+ miles have yet to warp 'em. Of course I read the directions. Aside from no panic stops for the first few hundred miles, they also recommend 4 stops from slow speed, like 10-15MPH I believe and then let them cool for an hour. I drove my car around the Subdivision making exactly four stops. (Last one being in the driveway!) I then took a shower and got ready for work. (I put my pads and rotors on at 6AM before running off to work at 8AM ) And for a few more details... http://walden.mvp.net/~tboner/ContourRotor No trama yet! Cheers, TB Originally posted by JaTo: I've had a hankering to beef up my brakes and the SPMotorsports kit seems just the ticket. Problem is (apart from finding money), I've seen more than a few complaints about aftermarket rotor warpage only after a few hundred to a few thousand miles (this just won't do. I'm not in the habit of swapping rotors every month or so). To those who have used x-drilled or slotted rotors on their contours, what are your experiences?
Thanks. ------------------ Tony Boner Personal: tboner@mvp.net Work: tony.boner@central.sun.com Saving the computer world from windows as Unix/Solaris/Java Guru * Sun Microsystems Rocks * http://www.sun.com Goofing off with cars ****************** Duratec Vehicles 1999 Contour SE 2.5L ATX K&N FilterCharger SuperChip KVR/Brembo Cross Drilled Rotors and Pads 2000 Mazda MPV (Yes 2.5L Duratec) Stock Looking for 95-97 5speed SE as 3.0L duratec project car Looking for 3.0L duratec for same ****** Non-Duratec Vehicles Daily Driver: 1987 Buick LeSofa^H^H^H^HSabre 3.8L V6 -- 150HP AND 215ft/lbs torque [This message has been edited by tboner (edited July 13, 2000).]
Tony Boner Personal: 98cdw27@charter.net Work: tony.boner@sun.com Saving the computer world from WinBloze as Unix/Solaris/Java Guru http://www.sun.com 1998 Contour SVT Pre-E1 618/6535 Born On Date: 4/30/1997 Now with Aussie Bar induced mild oversteer.
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I had bought a set of Powerstop X drilled with some performance friction pads. I took it easy on them for about 400miles with one panic stop from 40. That weekend I went to a 3mi mile road course and drove home limping on brakes. I torque before and after so I know it wasn't me. I called the place that I bought the rotors from and they said about 3 other people called and had the same problem... but it only seemed to be the SVTs, not sure about others... ------------------ David Z. Silver E1 #4808 w/stuff http://daplace.spedia.net
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Aside from the torque thing, rotor warping has a lot to do with the inital quality of the rotor and how long the iron is allowed to cool when the rotor is manufactured. I don't know who Powerstop buys their blanks from, but if they're low-quality Asian imports that could be the root of the problem. I've had good luck with Canadian-made Brembos and Eurorotors on my other toy, a '93 RX-7 R1. Unfortunately, neither company has an application for the stock SVT front rotor, but you can get Brembo rear rotors for your SVT. If you want to pay for cryogenic tempering, that helps. You can argue whether it's the -300 cold cycle or the heat-tempering that follows, but I've not had cryo-treated rotors warp yet.
It's more fun to drive a slow car fast than it is to drive a fast car slow.
99 SVT Contour 93 RX-7 R1
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No luck with the Power Stops. I went back to Raybestos(Made in Canada)with no problems. PS rotors warped twice and I am not hard on brakes.
Barry-2002 WRX-Sedona Red Pearl K&N Air Filter- 225/50-16 SP5000's/Cusco Front Crossmember Brace/Borla Exhaust JoeP Manual Boost Controller/Kartboy Solid Rear Endlinks Samco Intercooler Hoses Silencer Removed Will Always Be Immaculate
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I also have the Brembo cross drilled/KVR carbon pad set up on my SE. I bought directly from KVR as I'm in Ottawa, Canada on business regularly. They're an excellent upgrade at a reasonable cost. I've had no problems with them after 10,000+ miles. They import the Brembo's from ITALY, and have the carbon pads done in California.
I have a good friend who owns an industrial brake supply shop. His advice re: rotors-stay away from anything offshore. They're cheaper, but there is a reason-inferior quality. Stick with North American built/cast stuff.
Technical Director/Co-Owner Performance Fords-check out our new throttle body service 95 SE with lots of custom 1 off mods. All design, fabrication and installation by owner.
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Ok, when did ITALY move over here from Europe. Sorry, just had to say it TB Originally posted by Bradness: I also have the Brembo cross drilled/KVR carbon pad set up on my SE. ...snip...They import the Brembo's from ITALY, and have the carbon pads done in California.
I have a good friend who owns an industrial brake supply shop. His advice re: rotors-stay away from anything offshore. They're cheaper, but there is a reason-inferior quality. Stick with North American built/cast stuff.
Tony Boner Personal: 98cdw27@charter.net Work: tony.boner@sun.com Saving the computer world from WinBloze as Unix/Solaris/Java Guru http://www.sun.com 1998 Contour SVT Pre-E1 618/6535 Born On Date: 4/30/1997 Now with Aussie Bar induced mild oversteer.
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My KVR's have warped after 15 months of usage. I've put about 15K miles on them. -Lance
Lance Kinley CEG Webmaster 95SE, "Official CEG Beater" Quaife, SVT parts, ST200 wheels, SS Y-pipe I perceive you to be a stand-up, rational individual...
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Lance: KVR is a supply house, not a manufacturer. I don't know which type you're referring to, but their stock rotors are Euro-Rotor while their cross drilled are Brembo. They have the pads made up by someone else and then package them as their own. Trust me, I've spent a lot of time in their shop talking about brakes with these guys. If they did warp prematurely, I guess my buddy was right about offshore crap (although he was referring to the Pacific rim)! Mine have been OK, but I haven't put the kind of mileage on them that you have.
Technical Director/Co-Owner Performance Fords-check out our new throttle body service 95 SE with lots of custom 1 off mods. All design, fabrication and installation by owner.
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Thanks for the info. Seems like going the SPMotorsports kit route would be best, given the options available. Now, time to find some money...
JaTo Overland Park, KS JaTo@kc.rr.com
99 Contour SVT #143/2760 Modded to Taste
00 Corvette Coupe Modded to Haste
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