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#355430 - 01/23/04 07:42 PM Best aftermarket brake rotors?
Anonymous
Unregistered


OK, I am pissed off. I have had my rotors turned three times in the past year and half. I had them done at a Ford dealer the first time, so the past two times were under warranty, but STILL! And now they are wobbling AGAIN!

What is the best aftermarket brand of rotors for a 1998 CVPI? Know anyplace I can get them online for cheap?

I don't know if I need just fronts or rears or both. should I just replace them _all_ while I'm at it?

Thanks for any advice!

Erin.

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#355431 - 01/23/04 07:49 PM Re: Best aftermarket brake rotors?
Ronman® Offline
Metroplectic

Registered: 01/23/01
Posts: 30473
Loc: MCO
Posting in multiple forums is a no-no, Erin...
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#355432 - 01/23/04 08:07 PM Re: Best aftermarket brake rotors?
Liquid Offline
RWD V8
Poobah

Registered: 04/16/01
Posts: 6129
Loc: World's Motor Capital
There are tons of brake rotor discussions in 4.6L Tech Talk and in the 4.6L Tech Archive. I would suggest using the search function... folks here have tried quite a few different rotors with varied results.
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#355433 - 01/23/04 08:33 PM Re: Best aftermarket brake rotors?
Anonymous
Unregistered


Quote:

Posting in multiple forums is a no-no, Erin...




Thanks Ron, after I posted in the lounge I figured more people would actually see and respond to it here. :-)

Erin.

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#355434 - 01/23/04 08:38 PM Re: Best aftermarket brake rotors?
Anonymous
Unregistered


Quote:

There are tons of brake rotor discussions in 4.6L Tech Talk and in the 4.6L Tech Archive. I would suggest using the search function... folks here have tried quite a few different rotors with varied results.




Thanks for the hint. I used search and found the link to Command Automotive. I sent them an e-mail to get a quote for replacement of all four rotors. Someone else recommended "Raybestos Super Stop severe duty rotors (cross drilled/slotted)" but I can't seem to find them online.

If the Command Automotive rotors aren't crazy expensive, I think I will try them.

But I am still willing to listen to suggestions, in fact, that's why I posted.

Erin.

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#355435 - 01/23/04 08:39 PM Re: Best aftermarket brake rotors?
Mperson Offline
Inappropriate Avatar
Posting Addict

Registered: 10/23/02
Posts: 18171
Loc: US
Turning a rotor usually is a temporary fix at best...

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#355436 - 01/23/04 08:39 PM Re: Best aftermarket brake rotors?
metroplex Offline
Metroplectic

Registered: 11/13/00
Posts: 49827
Loc: Motor City, USA
I would recommend OE Ford rotors... but if you want "aftermarket", AC Delco Durastop and AC Delco Durastop Performance rotors are actually very good.

Funny thing is AC Delco Durastop/Performance pads/rotors work really well on Ford vehicles.

But GM vehicles don't always have the best brakes.
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#355437 - 01/23/04 08:46 PM Re: Best aftermarket brake rotors?
Kinger87 Offline

Poobah

Registered: 12/15/02
Posts: 7624
Loc: Gladstone MI
Your first mistake was turning the rotors.

The rotors on these cars are a "throw-away" design and when warped generally need to be replaced. I got over 100k on my original fronts before replacing them, so OEM may not be a bad idea. check www.fordpartscheap.com

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#355438 - 01/23/04 09:30 PM Re: Best aftermarket brake rotors?
stevo Offline

Over the Hill

Registered: 05/15/03
Posts: 2738
Loc: Wisconsin--most of the time
^^^I'm with them Erin^^^

Turning rotors once, maybe ok, not twice or thrice. If the FORD dealer, under warranty, turned them two and then three times, I would go back there and talk with the SM. They know better than that. Make absolutely sure you know that IS what happened, however.
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#355439 - 01/23/04 11:10 PM Re: Best aftermarket brake rotors?
TheIndifferent1 Offline
Climber

Registered: 11/17/02
Posts: 703
My Reybestos Super Stop Sever Duty rotors have not warped yet, so they were are worth the money to me. I got mine from a local parts store. They do not fade nearly as quickly(i have the small crappy pre 98 brakes)and i have not had any significant pad wear(admittedly i do not drive much while i'm at school).
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Towing Package
Phenolic piston calipers w/ AC Delco organic pads
Raybestos Super Stop Severe Duty brake rotors(slotted/cross drilled, they suck.)
Continental ContiExtremeContact 225/60r16
traction-lok rear w/ 3.27's
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#355440 - 01/24/04 01:22 PM Re: Best aftermarket brake rotors?
JohnG Offline
Tech Admin
Grand Poobah

Registered: 06/15/01
Posts: 13025
Loc: Socialist state of MN
I suggest OE, Delco, or Raybestos.

NEVER, and I do mean NEVER turn a rotor if it's "warped". Once it is warped, it will ALWAYS be warped. Throw it OUT! Also, always replace FRONT rotors in pairs.

Slotted, drilled etc. is utterly useless for a daily driver. They will lighten you pocket more up front, and will cause your brakes to wear faster, that's ALL they are good for.
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#355441 - 01/24/04 02:58 PM Re: Best aftermarket brake rotors?
proaudio22 Offline
Rookie

Registered: 01/19/04
Posts: 73
Slotted rotors are almost useless for any application. They were created years ago when the materials used in brake pads gave off gasses as they heated up. The slots allowed the gasses to escape instead of build up between the rotor and pad, hindering braking. Pads now do not give off these gasses at all.

Drilled rotors are great for reducing fade with proper cooling. They help to let the rotor cool quickly. They cannot take high heat tho. In this situation where you are warping your rotors, drilled IS NOT a good idea. Your rotors warp b/c they get too hot. There either is not enough cooling or the rotors you have cannot dissipate enough heat (which would mean you still don't have enough cooling). Drilled rotors will not ony warp on you, they will also crack - and prob sooner. The holes only help when there is proper airflow. Otherwise, the rotor just gets so hot that it cannot dissipate the heat (IE it warps). The holes removed the effective surface area of the disc, and it can no longer dissipate as much as it could as a solid rotor. It will crack then.

The best solution may be to buy a better rotor. My daily driver will warp an OEM rotor in <15K miles. Simply swapping to a better quality Brembo solid blank and a good set of pads (Kevlar) fixes the problem.

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#355442 - 01/24/04 05:15 PM Re: Best aftermarket brake rotors?
scrabp71 Offline
Member

Registered: 04/23/03
Posts: 267
Quote:

Also, always replace FRONT rotors in pairs.





Curious about that...why (technically, not because "you should") in pairs?


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#355443 - 01/24/04 05:20 PM Re: Best aftermarket brake rotors?
JohnG Offline
Tech Admin
Grand Poobah

Registered: 06/15/01
Posts: 13025
Loc: Socialist state of MN
Rotors wear. Rotors get "heat treated" as they are cycled, these things affect their coefficient of friction. If one rotor is new (higher Cf) and one is old(er) (lower Cf) you will get a pull when breaking, and on the fronts it is a particularly dangerous situation to have uneven braking side-to-side.
_________________________
- 2004 Mercury Grand Marquis (GMQ) GS - aka "Data"
Save MILLIONS, vote to outsource our Executives!
What happeded to "government by the people, of the people and for the people"?
RIP Ronald W. Reagan "The Great #40"

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#355444 - 01/24/04 09:52 PM Re: Best aftermarket brake rotors?
scrabp71 Offline
Member

Registered: 04/23/03
Posts: 267
That makes sense.

On the other hand, I dont see anywhere in my factory manual that states to replace them as a pair.

Also, I've never seen recommendations that when rotors are turned, that they be of the same exact thickness (which, if they werent of the same thickness, would change the coefficient, right?).


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