2 Piece rotors
 

I search the thread and I could not find anything on this. Have any of your replaced the sport rotors with a two piece rotor. If so, what kind have you found that would be the best?

LMAO, you did not search well enough. There are threads here and in the track section. Use Google and see what happens!

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Search for Z1 2 piece rotors.

Literally just googled “370z two piece rotor” and there are more results than one ever dreamt of.

Be a baller and just get the RacingBrake 2 piece rotors. When you tell people that you have them. They know you are serious.

Do you think I did not do that already? My question was, if anyone has replaced them, what kind did you find to be the best.
I am ask the opinion of this group, not what I can just find on google

Honestly, I don't think you did... BUT there are only two manufacturers of two-piece rotors that I can recall (Racing Brake and Z1) and you can't go wrong with either. I haven't heard anyone complain about quality be it street or track driving i.e Rusty loves the RBs (probably not the price though), I have the Z1's and love them (but not the price).

Honestly I have. The other manufacturer is DBA and use the 5000 seriesDBAUSA | 5000 Series

That being the case, I was wanting a comparison of who had what and what they liked or what to stay away from

Honestly I have done the research. The other manufacturer is DBA using the 5000 series. What I was asking is to compare all of these together I'm who like what rotor and which ones to stay away from.
DBAUSA | 5000 Series

Honestly I have researched the rotors. Besides the two you have made mention of there is also the DBA that makes the 5000 series. What I was asking is who had what as a comparison what they like and what to stay away from.
DBAUSA | 5000 Series

My understanding is that DBAs are better if you track your car because they're less warp prone, I have Z1s and can't complain (except the price) but i dont track.

So are you saying they do not have as much bite when they are cold and need to be heated up before they really work?

No, i spoke with a DBA dealer (so he maybe somewhat biased) and he told me that DBAs perform better on track, ie have a less a chance of warping. Z1s stop on a dime on my daily driver, hot or cold.

That is great information. Thank you!:tup:

Pads play a big part of this. Some pads need heat in them before they work the best. Others like the oem's work well when cold, but fade when they get hot.

The rotors mentioned in this thread all use different grades of cast iron alloys.

You are right. I was asking that for a specific reason. Pads do play a the biggest role in over all bite, but what I have understood from some racing enthusiasts is that when the rotors are cold, it interacts in one way with the pads because of it composition as opposed to being hot. The molecular structure slightly changes with the pad. That said, I am not tracking my car at all. I was more curious of the rotors to stay away from that have been know to crack or warp, being that I would be using it for normal driving. I have heard of horror stories, so I assumed this was the place to go to widdle down what others have experienced. I have looked at the Z1 awhile back and was leaning in that direction, but just need some confirmation.

As for cracked rotors. Stay away from drilled rotors. They love to crack at the holes. Slotted rotors are ok. To crack a blank rotor. You will only see that on a track car. And that takes some doing.

Thank you for all of the constructive feed back. That really did help me.

Right, i did get some aftermarket pads, just have to make sure not to get track/racing pads for a daily driver.

I know, they will squeel till they get hot and have very little bit when they are cold.

I ran YellowStuffs for a while. Did both DD and track days with them. Great street pad. But they do dust more than oem.

I'm running the Carbotech X10/X8 pads with the RacingBrake rotors. I have more bit and power cold then the stock oem set up. But they do squeel coming up to a red light or stop sign.

I have never had a drilled rotor crack on me. I however have not got them extremely hot on the track either. I run CarboTech XP8's all 4 corners. No issues on the street except when in cold (40deg or less) wet weather. You have to keep them up to temp by tapping on the brakes if you do a good bit of interstate driving where the brakes are not needed for long amounts of time. I have over 120k on my Z1 2 piece rotors on all four corners and XP8 pads.

Rusty, how do you like the Carbotech pads vs the EBC?

For track and some street. The Carbotech's. For street with some track. The YellowStuff. Both will dust more the the oem pads. The YellowStuff handles the rain better. Doesn't feel like you have to rebed the pads after a long drive in the rain.

Sinc we are talking pads, what are your thoughts on Hawk?

I haven't tried them yet.

I haven't used Hawk's brake pads on the Z yet but I have had them put on some of my previous cars. They have good bite and lasted longer than the OEM pads, street use. I am not sure how they would handle on the track but they do make ceramic pads if you want to look into that.

I have the Z1 offerings front and rear with the sprinkle slotted rotors. The fronts were on the car when I got it, and fairly well worn, the last track day I did they warped slightly after 48 laps over the course of 4 sessions. For pads I have Carbotech xp12F and xp10 rear. I replaced the rings for about $350 shipped to me. I think if you track these you will need the Stillen brake ducts which I have on my car now, the steel factory rotors spread the heat load out better than the 2 piece where the heat stays in the ring bettering the chances that they will warp.

I did use a digital caliper to compare the new ones to the old and the new ones were .020" thicker, other than the outside edge where the pad wasn't wearing the rotor.

I am not going to track my car. Its main use will be mostly Street a bit of spirited driving every now and then. My next question would be about Endless brakes as far as their pads are concerned. Does anyone have any opinion on this company and their brakes?

i've heard great things about the MX72 as a street/track dual purpose pad but they are probably overkill for street driving

google endless mx72

Endless anything is grade A+++.

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They are a good way to save rotational weight ,the fronts are 10lbs lighter than stock and the rears 5lbs. 30lbs of unsprung weight does make a difference in handling, braking and acceleration. The difference is not substantial but it does improve the overall dynamics of the car.

I want to thank you guys for your help and your experience with the products I have made mention of. I have always found it beneficial to ask those that have actual experience with issue or products. It helps me make a better informed decision. Thank you guys again!