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Cracking rotors...

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Old Apr 19, 2006 | 10:19 PM
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Default Cracking rotors...
My cross drilled rotors have small hairline fractures that are coming from each of the holes... should I replace these asap? I'm afraid they will come apart. As of right now, the cracks arn't very big, but I am still concerned...

Thanks.
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Old Apr 19, 2006 | 10:38 PM
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Yes yes yeas! replace them! that is very dangerous. throw some stockers on there until you can get a replacement.
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Old Apr 19, 2006 | 11:29 PM
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Once they crack they will fall apart, they crack from excessive heat.
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Old Apr 19, 2006 | 11:34 PM
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Originally Posted by blown 346
Once they crack they will fall apart, they crack from excessive heat.
and the drilling doenst help either
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Old Apr 19, 2006 | 11:36 PM
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Originally Posted by dirtbag
My cross drilled rotors have small hairline fractures that are coming from each of the holes... should I replace these asap? I'm afraid they will come apart. As of right now, the cracks arn't very big, but I am still concerned...

Thanks.
Yes and learn a lesson from this. Good blanks are the real deal, plus they're cheap and last longer without any special coatings or extraordinary treatment procedures.

Here's a great thread to research this:

https://ls1tech.com/forums/suspension-brakes/353903-brake-faq.html
Last edited by Foxxton; Apr 20, 2006 at 03:37 AM.
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Old Apr 19, 2006 | 11:46 PM
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THANKS! I guess my camaro will be down for the count for now. Thanks a ton for the info!
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Old Apr 19, 2006 | 11:47 PM
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Originally Posted by dirtbag
THANKS! I guess my camaro will be down for the count for now. Thanks a ton for the info!
Better than having your brakes fail and totalling your car!




BTW, what brand of rotors are they? and how long have you had them on the car?
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Old Apr 20, 2006 | 03:43 AM
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Originally Posted by camaroextra
Better than having your brakes fail and totalling your car!




BTW, what brand of rotors are they? and how long have you had them on the car?
yes im curious to this as well, seeing that im on the market for new rotors.
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Old Apr 20, 2006 | 09:36 AM
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They are brembo rotors just cross drilled. The original owner of the car put them on so I don't know the exact milage, but he also had all of the work done at a certain dealer, and the printout from the dealer says that the last work done on the car there was about 20k miles ago. I bought the car 14k miles ago.

BTW I'm going to Autozone today to get the cheapest rotors I can find to hold me over until I can get good replacement drilled rotors. They are backordered on TireRack .
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Old Apr 20, 2006 | 10:52 AM
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Originally Posted by dirtbag
BTW I'm going to Autozone today to get the cheapest rotors I can find to hold me over until I can get good replacement drilled rotors. They are backordered on TireRack .
You're missing the point of this whole thing.

There are no drilled rotors I'd really call "good" replacements (the Porsche drilled rotors hold up quite well, but they are about the only ones and they won't fit our cars without buying an expensive brake kit). Just get good blanks and run them. You'll crack the next set of drilled rotors just like you cracked this set. It's common.
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Old Apr 20, 2006 | 10:57 AM
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Hell, I crack blanks. But it takes a lot more to do so. Hoepfully by the end of summer ill have some Prostop or Stoptech products on the car.
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Old Apr 20, 2006 | 07:46 PM
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Originally Posted by dirtbag
hold me over until I can get good replacement drilled rotors.
please reread the thread before you waste money on drilled rotors....
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Old Apr 20, 2006 | 08:22 PM
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Drilled rotors are perforated.
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Old Apr 20, 2006 | 10:49 PM
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I listened to you guys... I bought some really nice blanks and good brake pads. The car stops on a dime compared to before .
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Old Apr 20, 2006 | 10:51 PM
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I guess I'll have to bring up this thread again:
https://ls1tech.com/forums/suspension-brakes/435436-do-i-really-need-cross-drilled-slotted-rotors.html
...and this one:
https://ls1tech.com/forums/suspension-brakes/477787-need-help-explain-slotted-drilled-rotors.html
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Old Apr 20, 2006 | 11:10 PM
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Originally Posted by VIP1
I guess I'll have to bring up this thread again:
https://ls1tech.com/forums/showthread.php?t=435436
...and this one:
https://ls1tech.com/forums/showthread.php?t=477787
I was wondering when you were gona post thoes, lol.
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Old Apr 21, 2006 | 12:24 AM
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Originally Posted by VIP1
I guess I'll have to bring up this thread again:
https://ls1tech.com/forums/showthread.php?t=435436
...and this one:
https://ls1tech.com/forums/showthread.php?t=477787
hmm...

either I smell someone's fancy cross-drilled brakes being bedded in only to crack, or it might actually be the placebo effect of a thread closure.
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Old Apr 21, 2006 | 07:52 PM
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Originally Posted by DONAIMIAN
I was wondering when you were gona post thoes, lol.
I'm getting really good at copy-and-pasting responses to the brake rotor and adj lca & phb threads.
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