1pc vs 2pc rotor?

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Old 05-16-2009, 12:34 AM
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1pc vs 2pc rotor?

What's the difference between 1pc rotor and 2pc rotor?
Is it to only do with the weight?
What are the pros and cons of each?

Thanks.
 
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Old 05-16-2009, 01:44 AM
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I found this on google for 2pc rotor...
Advantages:

* Lighter rotor (12-16% weight reduction varied with the size and design) than original one-piece rotor – meaning lower spinning weight.
* Cooler disc - due to higher heat dissipation rate of aluminum hat as compared to cast iron
* True full floating design (unlike others out in the marketplace) allows the disc to expand and contract freely without stressing the hat. This helps prevent the disc from warping or cracking.
* Allows consumers to replace only the rotor ring, while reusiing the hat. Although the initial cost of two-piece rotors is higher than one-piece rotors, the lifetime operating cost could be lower.
Any other pointers anybody?
 
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Old 05-16-2009, 01:28 PM
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1 piece rotor is also usually cheaper.

If this is for daily driving and you are not that agressive with the brakes, either will work. IMO, I'd go with 1 piece to save $$ assuming you are staying with stock calipers.

However if you are uprading calipers, then you most likely have to go with 2 piece.
 
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Old 05-16-2009, 05:58 PM
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G Sedan
Unless you track your car regularly don't bother with 2 piece rotors.
 
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Old 05-16-2009, 09:37 PM
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^ Yeah, so I hear. I guess I will go w the 1pc.
 
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