V35 Skyline(2005 coupe) brake rotor size

[Last Phantom]

Hey guys, first post here. I've tried digging around on American forums but I keep finding conflicting information.

I was looking at replacing my brake pads until I noticed something had cut a groove into two rotors, and then noticed another one had decent wear 

I'm looking to replace my front and rear rotors, but the sizing keeps changing between places. Places like Supercheap auto list the sizing as 326mm for front Brembo, 320mm or 296mm for normal and 292 at the rear. However one American forums lists 12.6(320.04mm) at the front and 12.1(307.32mm) at the rear.

At this point I'm completely clueless on which size is correct and all I can think of is pulling a rotor from the front and back and just measuring it.

 

Any info would be appreciated.

Edited February 7, 2023 by Last Phantom
Info

[Duncan]

Sorry I can't confidently answer the correct size....but I can say that pulling a rotor off and measuring diameter, thickness and offset (distance from bottom of disc to top of hat) is a good idea, because that way you can't go wrong. 

DBA website has a good catalogue to cross check once you have those measurements, often you can find a match against another Nissan of the same age if your model details are not there

[sonicii]

Welcome to the group!

First question.. do you have twin piston callipers on the front?

Twins look like this -

 

If So, you have the upsized brakes that came with the series 2/3.  Sadly many parts suppliers refuse to acknowledge this and list the smaller rotors for all V35s.

The front rotor size is 320mm and the rear is 308mm.  The rear pads are the same as the earlier models, but the front pads are different.

You should be able to look up the non-brembo brakes for the 2005+ 350Z to get the correct specs.

However, if you have the single piston front brakes like this -

Then you have the smaller 296 front 292 rear rotors.

Edited February 7, 2023 by sonicii

[V35_Paul]

I order mine from the states many years ago and when i got them they where to big. 👎

Got them machined down to fit in the end. Painful ordeal 😵

Best to get your measured because there are a few different sizes. Even the info on old threads in this forum are conflicting too.

[Last Phantom]

1 hour ago, sonicii said:

Welcome to the group!

First question.. do you have twin piston callipers on the front?

Twins look like this -

 

If So, you have the upsized brakes that came with the series 2/3.  Sadly many parts suppliers refuse to acknowledge this and list the smaller rotors for all V35s.

The front rotor size is 320mm and the rear is 308mm.  The rear pads are the same as the earlier models, but the front pads are different.

You should be able to look up the non-brembo brakes for the 2005+ 350Z to get the correct specs.

However, if you have the single piston front brakes like this -

Then you have the smaller 296 front 292 rear rotors.

Cheers man! Good to find fellow like mined V35 lovers.

Definitely rocking twin piston. And that's a huge pain with vendors. 

Crud now I'm worried. I ordered pads from Z1. Hawk Performance. They did say it'd fit the twin pistons though so hoping they'll be fine.

Would any 2005+ work? I think a tour or track version existed at some point so I'm imagining some variations won't do the job. Edit: Scratch that, saw they had different sizes 😅

 

Question about how the sizing works. So for these https://www.supercheapauto.co.nz/p/dba-street-t2-slot-kp-nissan-350z-05--f-/SPO7423864.html?cgid=SCN01080117&vid=OBmEBn9ZtK3rMhgNDCxRgA%3D%3D#vid=OBmEBn9ZtK3rMhgNDCxRgA%3D%3D&start=3

They say 320mm, so they should do the job. However I'm confused on the 11/2004 --> portion. 

Edited February 7, 2023 by Last Phantom

[Last Phantom]

1 hour ago, Duncan said:

Sorry I can't confidently answer the correct size....but I can say that pulling a rotor off and measuring diameter, thickness and offset (distance from bottom of disc to top of hat) is a good idea, because that way you can't go wrong. 

 

1 hour ago, V35_Paul said:

Got them machined down to fit in the end. Painful ordeal 😵

Best to get your measured because there are a few different sizes. Even the info on old threads in this forum are conflicting too.

Oooof that would've been nasty. Trying to avoid any pain here lmao.

 

But yeah seems it's best to pull one of each rotor and check 😮‍💨 

[sonicii]

21 hours ago, Last Phantom said:

They say 320mm, so they should do the job. However I'm confused on the 11/2004 --> portion

They should be correct for all V35 models from nov 2004 onwards (except brembo option)

Look up your car on here.. it seems to be fairly accurate -
https://dba.com.au/au-part-finder/