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09-22-2006, 12:37 AM | #1 |
Scooby Newbie
Member#: 108906
Join Date: Mar 2006
Chapter/Region:
MWSOC
Location: Duluth WI
Vehicle:99 OB white over gray |
Do I need a slap in the head?
I'm considering the purchase of these for my Subaru.
http://cgi.ebay.com/ebaymotors/A-Cro...27582074QQrdZ1 Now, I don't do any trtack use but a little more reliability in my stopping ability is something that I like. But I'm a little cautious of that price. Seems a little on the low side of things. Would you agree? Or do you think these would actually be ok?
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09-22-2006, 01:03 AM | #2 |
Scooby Guru
Member#: 115154
Join Date: May 2006
Chapter/Region:
MWSOC
Location: NYC
Vehicle:2005 Outback XT White on grey |
...cross drilling or anything short of bigger rotors and more pistons will not help you stop shorter.
Get aggressive pads and change your fluid. You'll notice a world of difference. |
09-22-2006, 01:08 AM | #3 |
Scooby Guru
Member#: 13617
Join Date: Dec 2001
Chapter/Region:
MWSOC
Location: MN
Vehicle:2001 Legacy GT back to stock is a project too |
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09-22-2006, 05:24 AM | #4 |
Scooby Specialist
Member#: 103665
Join Date: Dec 2005
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i know the honda guys don't like cross drilled rotors at all. back when i was researching a brake upgrade for my civic, all i kept reading about was guys who used cross drilled rotors on the track, and came back with cracked rotors.
if you're looking for increased cooling efficiency, it's better to get vented rotors (with the big channel in the center). i've read that slotted rotors can help the pads "bite" a little bit, but it's still better to just use vented rotors with aggressive pads (and possibly run some air hoses to help cool off the rotors as well!). |
09-22-2006, 05:54 AM | #5 |
Scooby Guru
Member#: 71875
Join Date: Oct 2004
Location: Montana
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*slap*
I would suggest a rotor from a more reputable source, like Subaru or Brembo. A Brembo blank from tire rack is pretty cheap. Heh, the only brembos on e-bay are drilled. Unless you're getting really high brake temperature (like with a race pad on a track), cross drilled rotors are not going to crack. That said I think they're pointless and ricey. um, and also I'm a closet ricer apparantly because I have these: I traded with a friend of mine because they're not legal in PGT. The only benefit I've noticed is the cool humming sound they make. And they look kind of cool I guess. |
09-22-2006, 07:32 AM | #6 |
Scooby Newbie
Member#: 108906
Join Date: Mar 2006
Chapter/Region:
MWSOC
Location: Duluth WI
Vehicle:99 OB white over gray |
Thanks guys. The pads are pretty agressive. I ordered the softest compounds around and am replacing pads about once a year. IF they only save me once a year....its a good year
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09-22-2006, 12:20 PM | #7 | |
Scooby Guru
Member#: 115154
Join Date: May 2006
Chapter/Region:
MWSOC
Location: NYC
Vehicle:2005 Outback XT White on grey |
Quote:
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09-22-2006, 05:35 PM | #8 |
Scooby Guru
Member#: 4021
Join Date: Feb 2001
Chapter/Region:
NESIC
Location: Natick, MA USA
Vehicle:1999 Legacy GT Ltd Quick Silver Metallic |
I still have a set of KVR Cross-drilled rotors from a "group buy" a bunch of us Legacy board members did through GTBGUY (Jack) back when 'NASIOC' was still known as 'I-Club'. I have had no problems with my rotors, although anyone who tracks their car is quick to mention that cross-drilled rotors are indeed prone to cracking when subjected to extreme duty cycles.
On the other hand several high-perfomance Porsches come from the factory with cross-drilled rotors. I think its is importand to differentiate between those who just randomly drill holes into their rotors and those braking specialists (Brembo, Porsche, etc) who specifically engineer their rotors to be cross-drilled. |
09-22-2006, 05:58 PM | #9 |
Scooby Guru
Member#: 71875
Join Date: Oct 2004
Location: Montana
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I'm of the opinion that Porsche and Mercedes etc drill [/cast] the holes for looks. I've yet to see actual proof that they make any sort of a difference. This isn't the 50's when it was necessary on race cars.
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09-22-2006, 06:16 PM | #10 | |
Scooby Guru
Member#: 115154
Join Date: May 2006
Chapter/Region:
MWSOC
Location: NYC
Vehicle:2005 Outback XT White on grey |
Quote:
And the porsche and Merc and Ferrari rotors do crack still however. |
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