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-   -   Stock Brake Rotor weight? (https://www.rx8club.com/series-i-wheels-tires-brakes-suspension-55/stock-brake-rotor-weight-64213/)

RPIRX-8 06-16-2005 04:29 PM

Stock Brake Rotor weight?
 
Has anyone weighed the stock brake rotors? I just got replacement ones from Adreneline Racing and just weighed them...18.5 lbs per rotor for the fronts!! My wheels are only 19lbs so this seems heavy to me. Comments? Anybody taken off their stock rotors, do they feel that heavy?

ZoomZoomH 06-16-2005 04:32 PM

they're solid pieces of STEEL, of course they're gonna be heavy

only gonna be light if you invest in CERAMIC rotors :o

RPIRX-8 06-16-2005 04:45 PM

18.5 lbs is cool if thats what the stockers weigh. I just want to make sure I'm not adding weight. I've called MNAO, Stoptech, multiple dealers, and Brembo and none of them could tell me the weight of the stock brake rotors.

ZoomZoomH 06-16-2005 04:56 PM

if they are just stock replacement rotors, then they're probably about the same weight if they're both plain steel rotors.

mikefrombarrie 06-16-2005 04:57 PM

I got 17lbs for the stock rotors.

RPIRX-8 06-16-2005 05:10 PM

oh man, thats 1.5 lbs over stock. argh, unsprung weight :(

RPIRX-8 06-16-2005 05:13 PM


Originally Posted by mikefrombarrie
I got 17lbs for the stock rotors.

Were those worn rotors you weighed?

therm8 06-16-2005 05:48 PM


Originally Posted by ZoomZoomH
they're solid pieces of STEEL, of course they're gonna be heavy

only gonna be light if you invest in CERAMIC rotors :o

2 piece with aluminum hats would work, unfortunately you can't get them short of $600ish each.

Gyro 06-16-2005 09:27 PM

No worries. I still have my stock rotors. I placed one on my digital bathroom scale and it was 18.1

All scales are a slightly differenent from another and bathroom scales are not terribly accurate at such small weights. The Adrelaline rotors are not any heavier than stock. They are both cast iron rotors of the excact same dimensions.

Mine are wearing alot better than stock with with new Axxis Ultimates too

RPIRX-8 06-16-2005 09:49 PM

Thank you Gyro!! I was hoping you'd chime in on this. No longer worried.

They do look nice and higher quality than the stockers. They should be on the car this weekend!

Gyro 06-16-2005 09:55 PM

Great! What pads did you end up with?

RPIRX-8 06-16-2005 09:59 PM

Porterfield R4-S pads.

I had them on my 00 Celica and they were awesome.

Gyro 06-16-2005 10:11 PM

Nice. Let us know what your think.


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