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| The Pub For General Automotive Related Talk |
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05-02-2006, 12:40 PM
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FF.Com.Au Hardcore
Join Date: Jan 2005
Location: Perth
Posts: 820
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Good morning all.
I’m after recommendations regarding places around Brisbane (preferably inner south where I work or inner north where I live) where I can get my DBA cross drilled and slotted rotors competently machined. Has anyone had any good experiences anywhere? I have quite a pronounced brake shudder, which I feel mostly in the wheel. How much should I expect to pay? Thanks.
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Still saluting the Ford flag. |
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05-02-2006, 05:25 PM
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FF.Com.Au Hardcore
Join Date: Jan 2005
Location: QLD
Posts: 1,255
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There is a place on Rode Rd in Chermside opposite the Prince Charles Hospital I can not remember the name of the place
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Regards Alan FG GT in Lightning Strike 5th anniversary edition in manual 1 of 25 And an 2019 MD Mondeo Trend Wagon in Platinum White |
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05-02-2006, 05:33 PM
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tufLTD
Join Date: Jul 2005
Location: Gympie, Qld
Posts: 1,231
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Be careful when getting slotted rotors machined. Most brake lathes won't cut them properly, the cutting bits jump on the slots. Getting them surface ground is a better way to go, like they do with flywheels.
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05-02-2006, 07:12 PM
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Rider on the storm
Join Date: Apr 2005
Posts: 317
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Wow, you managed to warp cross-drilled and slotted rotors?
Maybe you should get one of those Brembos with half a dozen pistons |
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05-02-2006, 07:24 PM
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FF.Com.Au Hardcore
Join Date: Jan 2005
Location: Perth
Posts: 820
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I've read conflicting opinions on the effectiveness of machining slotted rotors. tufLTD, would you explain to me the difference between machining and surface grinding? Does the former use a wheel / flat disc and the latter a blade? Essentially, they're no good the way they are. I do not drive the car hard. It either lives in the garage or does stop start driving to and from work for the majority of the time. I avoid driving through puddles when the rotors are warm, wait for them to cool before hosing them when washing the car... basically I treat them much better than the average person I'd wager and still they've done me wrong after.
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Still saluting the Ford flag. |
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06-02-2006, 09:28 AM
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tufLTD
Join Date: Jul 2005
Location: Gympie, Qld
Posts: 1,231
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Machining uses a lathe with 2 cutting bits, one for each side of the rotor.
Surface grinding uses a flat rotating grinding wheel. The rotor is mounted on a flat bed. This method seems to produce a better finish on cross-drilled rotors. Warped cross-drilled rotors isn't uncommon. My boss has warped his front & back rotors on his Commodore & we've had a few customers with the same problem. |
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Rotor machining in Brisbane.
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