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Proper rotors break-in?

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Old Dec 29, 2001 | 12:00 PM
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Sp00nLude's Avatar
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Default Proper rotors break-in?

Anyone with any advise on how long the break in period will be and how I should be driving?
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Old Dec 29, 2001 | 04:23 PM
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Default Re: Proper rotors break-in? (Sp00nLude)

I have heard that you should break in the rotors using the old pads for about a hundred miles. When braking, avoid hard stops so that the rotors heat up evenly and don't get "hot spots" which may cause warping later. Once again, break in should be about 100 miles, but if you can break easy for longer, then it can't hurt.

Oh yeah, using the old pads will wear slight grooves in the new rotors. The slight grooves will ultimately provide a grippier surface for the new pads. Breaking in new break pads should be done on old rotors. This follows the same theory.

Hope this helps,
Brian.
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Old Dec 29, 2001 | 04:25 PM
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Default Re: Proper rotors break-in? (Sp00nLude)

I don't have an exact answer, so you may want to check the competition forum for a more definate one. If I remember correctly you should go out to a parking lot and brake from 5 mph to 0 mph and just keep doing this while steadily increasing teh speed that you're stopping from. So you'd start with 5 mph and do that for 10 minutes then brake from 10 mph for 10 minutes and so on until you reach 20 mph.
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Old Dec 29, 2001 | 05:50 PM
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Default Re: Proper rotors break-in?

Wow....all this sounded more complicated than I thought, in any case I have also posted the same question on the Competition forum and see what they say over there. But damn, I thought it'd be just like "don't brake hard over the next 1000 miles" or something, and I thought u'd always want to have a new set of pads when you install new rotors in? Or else how did we break-in them rotors when we first got the car from the factory? Very confused...
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Old Dec 30, 2001 | 08:18 AM
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Default Re: Proper rotors break-in? (Sp00nLude)

Any Honda dealership or car dealership for that matter will tell you that you should replace the pads when you do the rotors. This will help prevent the potential for squeaking later. Any racer/race shop will tell you to use the old pads to break in the new rotors. In all reality, the difference that each break-in style will make will be so minimal that it will hardly make a difference on a street car, especially if that car never sees a racetrack.

I didn't mean to confuse you and I hope that this helped a little more. If all else fails, drive the car like it was new. Ease onto the brakes at every stop and try not to slam on them for the first few hundred miles. All will be ok.

Brian.
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Old Dec 30, 2001 | 08:56 AM
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Default Re: Proper rotors break-in? (mugen22)

Thanks Brian, I think I will just drive it like it was new, but then...I didn't understand how my rotors could have warped at 24K miles. O wells, could be my front alignment problem...who knows. =\ Thanks for your help tho, I already got a camber kit too, so I'll put that on before I put the new rotors on.
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Old Dec 30, 2001 | 05:52 PM
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Default Re: Proper rotors break-in? (Sp00nLude)

I can tell you that your rotor did not warp do to any alignment issues you may have or had. Most likely the rotor either got wet after a couple of hard stops or the rotor was wet and you had to stop hard. Once they warp, they keep on getting worse. Instead of replacing, you could have them turned or re-ground so they are flat again. I assume that you already replaced them do to the nature of this thread.

Anyway, take it easy on them and remember to ease onto the brakes so the rotors heat up slowly and evenly.

Brian.
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