Front Rotor Specs - Yes i searched. - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

njccmd2002 · 09-01-2012, 12:12 PM

Anyone of the top of their minds point me in a direction. REally dont want to take the wheel off. pretty sure its been done before.

mostly interested in diameter and thickness. in cm.

I tried searching, and rotor and diameter keywords bring u nothing useful

JimmyMac · 09-01-2012, 01:51 PM

http://forums.nasioc.com/forums/show....php?t=1265631

JimmyMac · 09-01-2012, 01:55 PM

Google is your friend...

Floggin Tires · 09-01-2012, 02:11 PM

Quote:

Originally Posted by JimmyMac

http://forums.nasioc.com/forums/show....php?t=1265631

Nice informative link.

njccmd2002 · 09-01-2012, 08:52 PM

Quote:

Originally Posted by njccmd2002

Anyone of the top of their minds point me in a direction. REally dont want to take the wheel off. pretty sure its been done before.

mostly interested in diameter and thickness. in cm.

I tried searching, and rotor and diameter keywords bring u nothing useful

Quote:

Originally Posted by JimmyMac

Google is your friend...

i know how to google, and thank you for helping me find the information on the rear rotors.

But i still need to know the front rotors specs...

JimmyMac · 09-01-2012, 11:30 PM

Fronts are 11.6 inch... so I'm guessing 295x25.5mm. The rears being 11.4 inch.

JimmyMac · 09-01-2012, 11:35 PM

But don't quote me on that because I'm also seeing a reference on 292mm size.

JimmyMac · 09-01-2012, 11:59 PM

Mine measured 24mm thickness with my digital calipers. So 294mm x 24mm? Or the 292mm reference on the BRZ?

jamal · 09-02-2012, 05:14 PM

Well they are close enough that I usually consider them the same thing, especially when you are looking for aftermarket parts. Subaru does have both sizes, with the 294mm rotors going on the WRX and 292mm rotors going on the Legacy. There are some slight differences in construction between the two (Legacy rotors have a little more material in the disc) but they are interchangeable. I think Stoptech/centric is the only aftermarket company that distinguishes between the two: The 294mm wrx rotor is 12x.47018 while the legacy uses 12x.47021

As you can see, not very different although the 021 rotor is heavier. If you are looking to buy some stoptech/centric rotors, most places are going to only have the wrx parts in stock and I'm not sure if they make as many variations of the Legacy rotor (drilled/slotted/125 material etc).

Also I just updated that post linked to add some more BRZ/FRS info.

njccmd2002 · 09-02-2012, 08:51 PM

thanks for your reply, i also found some info on dba australia, similar to posted above. they have an online catalogue

JimmyMac · 09-02-2012, 11:31 PM

Scion specs call for 11.6" rotors for the fronts and 11.4" for the rears. The specs in the FR-S shop manual says 24mm thickness. So I think the question is, are BRZ and FR-S front rotors different? 11.6" is about 294.6mm. 292mm would be 11.5". But the 2mm or so difference is very minimal. The important thing is that it's 24mm thick.

jamal · 09-03-2012, 02:58 AM

no difference. just conversion error/marketing optimism/whatever.

09-01-2012, 12:12 PM	#1
njccmd2002 Toyota Freak Join Date: Aug 2012 Drives: Whiteout FRS Location: Jackson, TN Posts: 364 Thanks: 47 Thanked 150 Times in 92 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Front Rotor Specs - specs found Anyone of the top of their minds point me in a direction. REally dont want to take the wheel off. pretty sure its been done before. mostly interested in diameter and thickness. in cm. I tried searching, and rotor and diameter keywords bring u nothing useful Last edited by njccmd2002; 09-02-2012 at 11:48 PM. Reason: solved

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09-01-2012, 01:51 PM	#2
JimmyMac Senior Member Join Date: Aug 2012 Drives: 2013 FR-S, 2016 Miata Club Location: NC Posts: 785 Thanks: 183 Thanked 258 Times in 171 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	http://forums.nasioc.com/forums/show....php?t=1265631

09-01-2012, 01:55 PM	#3
JimmyMac Senior Member Join Date: Aug 2012 Drives: 2013 FR-S, 2016 Miata Club Location: NC Posts: 785 Thanks: 183 Thanked 258 Times in 171 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	Google is your friend...

09-01-2012, 11:30 PM	#6
JimmyMac Senior Member Join Date: Aug 2012 Drives: 2013 FR-S, 2016 Miata Club Location: NC Posts: 785 Thanks: 183 Thanked 258 Times in 171 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	Fronts are 11.6 inch... so I'm guessing 295x25.5mm. The rears being 11.4 inch.

09-01-2012, 11:35 PM	#7
JimmyMac Senior Member Join Date: Aug 2012 Drives: 2013 FR-S, 2016 Miata Club Location: NC Posts: 785 Thanks: 183 Thanked 258 Times in 171 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	But don't quote me on that because I'm also seeing a reference on 292mm size.

09-01-2012, 11:59 PM	#8
JimmyMac Senior Member Join Date: Aug 2012 Drives: 2013 FR-S, 2016 Miata Club Location: NC Posts: 785 Thanks: 183 Thanked 258 Times in 171 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	Mine measured 24mm thickness with my digital calipers. So 294mm x 24mm? Or the 292mm reference on the BRZ?

09-02-2012, 05:14 PM	#9
jamal Senior Member Join Date: Nov 2011 Drives: Legacy GT Location: compton Posts: 534 Thanks: 9 Thanked 367 Times in 205 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	Well they are close enough that I usually consider them the same thing, especially when you are looking for aftermarket parts. Subaru does have both sizes, with the 294mm rotors going on the WRX and 292mm rotors going on the Legacy. There are some slight differences in construction between the two (Legacy rotors have a little more material in the disc) but they are interchangeable. I think Stoptech/centric is the only aftermarket company that distinguishes between the two: The 294mm wrx rotor is 12x.47018 while the legacy uses 12x.47021 As you can see, not very different although the 021 rotor is heavier. If you are looking to buy some stoptech/centric rotors, most places are going to only have the wrx parts in stock and I'm not sure if they make as many variations of the Legacy rotor (drilled/slotted/125 material etc). Also I just updated that post linked to add some more BRZ/FRS info.

09-02-2012, 08:51 PM	#10
njccmd2002 Toyota Freak Join Date: Aug 2012 Drives: Whiteout FRS Location: Jackson, TN Posts: 364 Thanks: 47 Thanked 150 Times in 92 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	thanks for your reply, i also found some info on dba australia, similar to posted above. they have an online catalogue

09-02-2012, 11:31 PM	#11
JimmyMac Senior Member Join Date: Aug 2012 Drives: 2013 FR-S, 2016 Miata Club Location: NC Posts: 785 Thanks: 183 Thanked 258 Times in 171 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	Scion specs call for 11.6" rotors for the fronts and 11.4" for the rears. The specs in the FR-S shop manual says 24mm thickness. So I think the question is, are BRZ and FR-S front rotors different? 11.6" is about 294.6mm. 292mm would be 11.5". But the 2mm or so difference is very minimal. The important thing is that it's 24mm thick.

09-03-2012, 02:58 AM	#12
jamal Senior Member Join Date: Nov 2011 Drives: Legacy GT Location: compton Posts: 534 Thanks: 9 Thanked 367 Times in 205 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	no difference. just conversion error/marketing optimism/whatever.

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