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Jul 21, 2008, 09:40 AM
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#1
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Evolving Member
Personal Sales Rating: ( 15)
Join Date: Jul 2008
Location: Rochester, NY
Posts: 319
Drives: 2003 Evolution
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Warped rotors, is it ever worth milling them flat?
I can get new rotors on all 4 corners for $150. That is pretty cheap for the size of these rotors. Do you think its even worth seeing if a shop can mill them flat again for me? When I brake, there is a very strong vibration, and you can feel it "wobbling". They are absolutely not straight.
Opinions?
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11.010 @ 124.55 mph - Stock turbo
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Jul 21, 2008, 10:00 AM
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#2
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Evolving Member
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Location: New York,NY
Posts: 336
Drives: 03 Tarmac Black
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like to know where your getting that deal from and what kind of rotors.
going through the same thing.
depending on the brand i'd say just get the new ones.
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Jul 21, 2008, 11:21 AM
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#3
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Evolving Member
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Location: Rochester, NY
Posts: 319
Drives: 2003 Evolution
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www.brakeplanet.com has that price, on OEM replacements. Lifetime warranty against warping and cracking too!
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11.010 @ 124.55 mph - Stock turbo
1.480 60' - (^_^)
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Jul 21, 2008, 12:51 PM
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#4
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Location: Cincinnati
Posts: 19
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Quote:
Originally Posted by neonglh
I can get new rotors on all 4 corners for $150. That is pretty cheap for the size of these rotors. Do you think its even worth seeing if a shop can mill them flat again for me? When I brake, there is a very strong vibration, and you can feel it "wobbling". They are absolutely not straight.
Opinions?
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It depends. If you can take off the most minimal amount of material then yes. Otherwise no. At that point you run in to the problem of minimal material. If the deposits are that little they typically they will be scrubbed off with just a pad bedding.
My suggestion is to run a bed-in on them and see what happens. If they don't improve from that then just go for good new ones.
A good bedding process can be found on the stoptech site.
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Jul 21, 2008, 01:24 PM
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#5
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Evolving Member
Personal Sales Rating: ( 5)
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Posts: 268
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Do not waste your time. I had mine warped and then cut, they were great for maybe 500 miles and then back to a bad vibration.
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Jul 21, 2008, 04:19 PM
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#6
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Evolved Member
Personal Sales Rating: ( 8)
Join Date: Oct 2005
Location: Chicago
Posts: 2,667
Drives: EVO IX
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Jul 22, 2008, 07:11 AM
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#7
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Evolving Member
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Location: Rochester, NY
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Drives: 2003 Evolution
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Quote:
Originally Posted by cfdfireman1
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Its a company selling a product...
While the wording "warped" may be incorrect, my car shakes like a washing mashine when we brake. I have tried several bed-in sessions, and it still does it. Myth or not, my car shakes badly on braking, and I need it fixed. 
--mark
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Jul 22, 2008, 07:53 AM
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#8
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Location: Philadelphia
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Drives: 2003 VIII, 1987 E30
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Rotorpros have recieved lots of good reviews for being vlaue rotors. Check them out.
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Jul 22, 2008, 09:13 AM
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#9
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Evolving Member
Personal Sales Rating: ( 16)
Join Date: Apr 2007
Location: New York,NY
Posts: 336
Drives: 03 Tarmac Black
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Is brakeplanet reliable? might buy a set. thx for the link.
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Jul 22, 2008, 10:42 AM
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#10
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Evolving Member
Personal Sales Rating: ( 2)
Join Date: Jun 2006
Location: Seattle WA
Posts: 101
Drives: Evolution IX
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I had a similar vibration coming from the front end of my car a few months back. After turning the rotors, rebedding pads, and taking the car to 3 different shops, it turns out I had a bad tire. It was heat damaged, causing the vibration. A new set of tires totally fixed all of the vibration.
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341.49hp 305.50 ft/tq (08/09 Drift Office Dynojet)
318hp 286 ft/tq (11/08 Drift Office Dynojet)
276hp 282 ft/tq Mostly stock (1/08 Drift Office Dynojet)
MIDGETSPEC///English Racing///
Parts - Drop in factory air filter, oil, factory oil filter, gauge face covers, tires, brake pads, 4 point harness + harness bar, uh I can't think of any other useless parts to list.
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Jul 22, 2008, 12:17 PM
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#11
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Evolved Member
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Location: Chicago
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Drives: EVO IX
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really
Quote:
Originally Posted by neonglh
Its a company selling a product...
While the wording "warped" may be incorrect, my car shakes like a washing mashine when we brake. I have tried several bed-in sessions, and it still does it. Myth or not, my car shakes badly on braking, and I need it fixed.
--mark |
I believe you when you say that the car shakes under braking but I don't see why you think "Carroll Smith" is trying to sell anything in that article. Talk to some of the track guys on the forum and see how often their cars shakes and what they do about it.
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Jul 22, 2008, 01:24 PM
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#12
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Account Disabled
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Join Date: Jul 2008
Location: Cincinnati
Posts: 19
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Quote:
Originally Posted by neonglh
Its a company selling a product...
While the wording "warped" may be incorrect, my car shakes like a washing mashine when we brake. I have tried several bed-in sessions, and it still does it. Myth or not, my car shakes badly on braking, and I need it fixed.
--mark |
They may be a company selling a product, but take what they present there at face value. Their marketing in this is only the facts, and they have no need to make things up.
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Jul 22, 2008, 06:55 PM
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#13
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not to entertain BS, but he said he had never seen them... not that they dont exist
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Jul 22, 2008, 09:29 PM
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#14
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Evolved Member
Personal Sales Rating: ( 8)
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Location: Chicago
Posts: 2,667
Drives: EVO IX
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Carroll Smith
is new to the game and inexperienced. 
Quote:
Originally Posted by *constant_boost
not to entertain BS, but he said he had never seen them... not that they dont exist
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Jul 22, 2008, 09:39 PM
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#15
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Evolving Member
Personal Sales Rating: ( 2)
Join Date: Jan 2008
Location: PLANO ILL
Posts: 174
Drives: 03 AS EVO
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u can visually see if a rotor is warped how the hell can u say they dont exist???
just like a cylinder head can warp even an intake mani can warp.
it happens when u apply alot of heat to metal objects. simple metal characteristics.
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