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04-17-2006, 10:21 AM
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#1
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10 Second Club
Join Date: Aug 2004
Location: Hatfield, PA
Posts: 1,292
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breaking in brake rotors?
put a new set of ssbc calipers and pads on and a set of summit racing cross drilled rotors on the car over winter. took the car out yesterday and did some hard braking on it just to make sure the car stopped good (i know it tells you not to but i wanted to make sure the brakes worked good) and the steering wheels pulsates. i look at my rotors at home and there were some high spots (evident of hte rotor wear where it was nice and shiny) is this normal? i called summit and the guy said that the 200 mile break in should iron it out. im just concerned since ill be racing the car next week and i dont want any issues. thanks
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04-17-2006, 10:32 AM
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#2
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Stalker
Join Date: Aug 2004
Posts: 12,082
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as far as i know, there should be no high spots on a rotor.
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04-17-2006, 12:27 PM
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#3
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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Definitely shouldn't be any high spots. Either make Summit take them back or pull them off and have them cut just a hair to remove the high spots.
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04-17-2006, 12:46 PM
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#4
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Join Date: Jan 2005
Location: Edison
Posts: 2,363
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Quote:
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Originally Posted by HardcoreZ28
Definitely shouldn't be any high spots. Either make Summit take them back or pull them off and have them cut just a hair to remove the high spots.
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can u get cross drilled's cut? i thought that messes up the cross drill's
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04-17-2006, 01:41 PM
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#5
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10 Second Club
Join Date: Aug 2004
Location: Hatfield, PA
Posts: 1,292
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called summit tech and spoke to another guy and said its prob a tad off due to the drilling of the rotors (cause of hte heat of the drilling) he said it should be ok after the 200 mile break in
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04-17-2006, 01:45 PM
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#6
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Mr Fantastic
Join Date: Aug 2004
Location: West Milford NJ
Posts: 7,917
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drive it for 200 miles, see what happens. you can usually get the cross drilled rotors cut, some places wont do it though cause it tends to chew up the bits on the lathe
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Matt
B18B1 FTW
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04-17-2006, 09:32 PM
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#7
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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There should be no run-out on any brake rotors.
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2/20/2013: They Day the ****s Stopped
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04-17-2006, 10:05 PM
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#8
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,165
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Quote:
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Originally Posted by BigAls87Z28
There should be no run-out on any brake rotors.
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And it won't go away. But likely it is a pad material build up (that is why you have a break in period you ignored) that you could clean with a roloc disc.
Quote:
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Originally Posted by summit tech and spoke to another guy
...said its prob a tad off due to the drilling of the rotors (cause of the heat of the drilling) he said it should be ok after the 200 mile break in.
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If that is true, then there is another reason to pass on drilled rotors (cracking being the 1st). But I don't buy that explaination.
I'd want another pair sent.
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04-17-2006, 10:15 PM
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#9
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Yeah, you usualy cant cut run-out if its causing that bad of a pulsation. I would contact SSBC about the rotors asap.
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2/20/2013: They Day the ****s Stopped
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04-18-2006, 12:34 PM
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#10
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Banned Camp Director Emeritus
Join Date: Aug 2004
Location: Somerset County
Posts: 8,395
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Quote:
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Originally Posted by BigAls87Z28
Yeah, you usualy cant cut run-out if its causing that bad of a pulsation. I would contact SSBC about the rotors asap.
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they're not SSBC rotors, they're Summit rotors 
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Quote:
Originally Posted by baddest434
and 1 more smart ass answer by you and i'm going to reach into this monitor and grab you by the throat
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04-18-2006, 12:43 PM
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#11
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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ahh..well, then call up summit again and tell them to send you new ones.
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2/20/2013: They Day the ****s Stopped
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04-18-2006, 02:13 PM
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#12
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Joe, what do you need drilled rotors for anyway?
Some brembo blanks with clear zinc coating FTW!
- Justin
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04-18-2006, 09:48 PM
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#13
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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who needs brakes?
Get a pair of shoes with THICK soles, and a boat anchor.
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2/20/2013: They Day the ****s Stopped
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04-18-2006, 10:19 PM
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#14
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Banned Camp Director Emeritus
Join Date: Aug 2004
Location: Somerset County
Posts: 8,395
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Quote:
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Originally Posted by BigAls87Z28
who needs brakes?
Get a pair of shoes with THICK soles, and a boat anchor.
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you run nitrous and I saw in a movie that when you run nitrous the floorboards fall out. thick soled shoes FTW!!!!
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Quote:
Originally Posted by baddest434
and 1 more smart ass answer by you and i'm going to reach into this monitor and grab you by the throat
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04-19-2006, 02:05 PM
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#15
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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Quote:
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Originally Posted by Ian
you run nitrous and I saw in a movie that when you run nitrous the floorboards fall out. thick soled shoes FTW!!!!
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~Ted
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