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post #1 of 6 (permalink) Old 01-21-03, 05:41 PM Thread Starter
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Location: melbourne
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disc rotors

g'day thrillseekers.
I am the happy (?) owner of an EF. I was wondering how many of you have the same problem I do with my front disc rotors warping. It is getting to a stage where I am thinking of running two sets of rotors, and getting one set machined and changing them at each service. I know the technological reasons for the warping, i.e. different bearing centers (compared to XA-B-C etc) and different stubb axles, but what am I doing wrong to have my rotors warp within 3 or 4,000 ks of having them machined?
I have even taken a tension wrench to the wheel nuts to make sure they are of even tension, but that didn't work either.

Wheel bearings are always checked and adjusted correctly, even used a tension wrench on them but to no avail. I am currently using Bendix pads on the front, but never again, as they are very dusty. I am using Hardly Ferocious on the back, and they are very good as far as dust goes.

But I digress. Can somone out there shed any light on the subject/problem?

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post #2 of 6 (permalink) Old 01-21-03, 06:10 PM
Territory TS - AWD
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Join Date: Feb 2001
Location: Kiama, NSW, Australia
Age: 53
Posts: 2,374
Try reading these articles;

Disc Thickness Variation


Front Wheel Bearing Adjustment EA-EB Falcon,
which I would suggest applies to all E-series cars EA thru to EL.

Are you sure you have adjusted yours correctly?
How heavily do you brake?

Territory - WHEELS COTY
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post #3 of 6 (permalink) Old 01-21-03, 08:48 PM
96 EF Futura
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Location: Now Residing in Brisbane
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Posts: 2,494
Why dont you fit a set of after market DBA rotors as they will hold up better than the originals.

Lets go find that Hotdog tree I planted

Lowered EF Futura
Black Steelies ( too cheap to buy proper mags )
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post #4 of 6 (permalink) Old 01-21-03, 11:07 PM
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Location: perth WA
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have you tried new rotors or do you keep getting the old ones machined. like six_in_a_row said try some new DBA's.

i thought rapid cooling and heating was what warped the rotors?
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post #5 of 6 (permalink) Old 01-22-03, 12:31 AM
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Join Date: Aug 2002
Location: Newcastle, NSW
Age: 36
Posts: 2,922
EF rotors are absolutely crap, without beating round the bush. They continously warp, and wear down very quickly. First thing I did to my Falcon was replace them with some DBA units, and went for Bendix Advance pads. I cannot recommend these pads highly enough, they are fairly new, they dont squeal, they dont leave a spot of dust on my mags, and they dont fade. The rotors dont warp, the brakes dont fade, they pull the car up very hard very easily, I love them.

You can check out the guide I put together after I installed them at www.geocities.com/polar988/rotor1 for a few ideas, if it helps. The whole thing cost me well under 200 bucks, I also highly recommend spending 40 bucks and replacing the front bearings too.

Any questions on what I did, please contact me, love to help out.

Cheers............ Tim

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post #6 of 6 (permalink) Old 01-22-03, 04:55 PM Thread Starter
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I am using DBA rotors now, and I have read the articles RAPTOR has mentioned. I like to think that my braking is usualy light to moderate, I don't usualy roar up to a set of lights and slam on the anchors. The wheel bearing were replaced when I replaced the original (standard) rotors. I have also spoken to DBA and they cannot offer any other solutions. My next effort is to try either the Bendix Advance pads or the new Hardie Ferodo ones that I can't think of the name at the moment.

Thanks for the suggestions.

I am also going to replace the rear rotors too. They are very close to undersize, if actualy not. These are being replaced by DBA's too.
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