The Definitive Z34 Brake Resource

wishihadnav

project mu has a 2piece rotor..scr pro..

http://www.project-mu.co.jp/matching...-matching.html

Mozen

Im reviving something thats a little old, but these are only front So far Relentless Autosports are the only ones to be making a 2pc rotor for the Rear 2Pot Akebonos.(you have it listed that racing brake does as well but i checked they only make a Front 2piece rotor) with the RA ones it involves a little modding because of rotor size. Anyways thanks for this post, ive been stressing over what to buy for a while now and this helped out quite a bit. +1

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wishihadnav

Endless BBK

370ZTUNE.com

ResIpsa

I finally completed the brake duct DIY.

DIY - Brake Cooling Ducts

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DriveLineEric

We also carry them as well.

Endless Racing 6/4 Full Big Brake Kit - Now In Stock

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Solus

Forgive my ignorance but I have one of the ever famous stupid questions. Although I can tell the difference between a 1 piece and 2 piece rotor. What is the performance gain of 2 piece of 1 piece? Why is it "better"?

wishihadnav

less rotational mass.

ChrisSlicks

In addition to the "less rotating mass" it also means less unsprung weight. The 2-piece front rotors are more than 10 pounds lighter per corner on average.

2-piece rotors have an aluminum hat (preferably billet) and a iron ring. They can be bolted together in different ways, either fixed mounts or full floating mounts. The full floating setup allows for a larger temperature differential between the ring and the hat as it allows for more expansion, however it requires more maintenance, it is typically only applied in racing setups. The fixed mount setup can move as well because the 2 metals will expand at different rates, however their movement is limited by design.

2-piece rotors in the rear application may use an iron hat in order to have a more durable e-brake functionality. If you are only using the e-brake as a parking brake an aluminum hat is perfectly acceptable provided an appropriate thickness is used.

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Scott @ RA

^^ Nice post and a perfect explanation.

markymark

great thread : )

anyone have any experience with the carbotech bobcats? I'm after a semi street/track pad but didnt want the squeeling of the carbotech xp's/hawk hp+

ChrisSlicks

The Bobcat's do well on the street and auto-x but will wear down to nothing on the track in a day. A friend of my with a Corvette Z06 tried them on the track and found out the hard way by wearing them down to the backing plates and damaging his calipers. He is an older guy and fairly conservative driver.

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Hotchkis ARB | Stillen CAI | Art Pipes | Berk CBE | Stillen AP Racing Brakes | AE Performance Oil Cooler | BC Racing ER Coilovers | Doran Control Arms

Zeto

Is the squeal and brake dust that bad on XP10's?

fuct

Scott you have me sold, just dont need to replace my stock ones yet. give us some time man, people will start needing replacements soon.

how deep of a purple can you anozide the hats????

Scott @ RA

Thanks, and hopefully you are right


I can go as deep as you want me to...

(I seem to say that all the time)

DriveLineEric

Bump for a great thread! Nice job Victor.

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