R35 GTR Brakes on Z34

andy_meng1024 · 11-25-2019, 09:58 AM

R35 GT-R brakes are very different in front and rear bias compare to 370z bias. Z1 converted to GT-R brakes but they also have the balance bar to set the correct bias. In short, don't do it.

milmast · 11-25-2019, 12:35 PM

Quote:

Originally Posted by NorthStyle

If you're willing to go that far (and all those parts come with GTR tax $$$) why not just get a set of AP/Brembo/etc calipers that are made for the Z?

Otherwise, ask Z1 since they swapped to GTR parts for their Time Attack car.

I was wondering since I found a set of brake callipers, pads and rotors from an R35 for reasonably cheap, I wondered how difficult it would be to mount them.

Quote:

Originally Posted by andy_meng1024

R35 GT-R brakes are very different in front and rear bias compare to 370z bias. Z1 converted to GT-R brakes but they also have the balance bar to set the correct bias. In short, don't do it.

I understand they are different size callipers, and the amount of fluid to push the pistons different from the R35 to Z34, however correcting the bias isn't hard to do. Countless BBK's require the same thing. If you upgrade to a BBK on the front of cars, 95% of the time, the bias has changed, and even sometimes resulting in poorer stopping distances. If you pull the ABS fuse and stomp on the brakes, your tires should lock up at the same time. If they don't, you can purchase a proportioning valve to fix that, which is very inexpensive. Here is a link to a $35 Wilwood unit: https://amzn.to/2DeqFTZ

Hotrodz · 11-25-2019, 06:01 PM

Quote:

Originally Posted by milmast

I was wondering since I found a set of brake callipers, pads and rotors from an R35 for reasonably cheap, I wondered how difficult it would be to mount them.

I understand they are different size callipers, and the amount of fluid to push the pistons different from the R35 to Z34, however correcting the bias isn't hard to do. Countless BBK's require the same thing. If you upgrade to a BBK on the front of cars, 95% of the time, the bias has changed, and even sometimes resulting in poorer stopping distances. If you pull the ABS fuse and stomp on the brakes, your tires should lock up at the same time. If they don't, you can purchase a proportioning valve to fix that, which is very inexpensive. Here is a link to a $35 Wilwood unit: https://amzn.to/2DeqFTZ

LMAO, you need to check yourself before you wreck yourself. It is not that simple. Z1 did a Bosch ABS upgrade as well. That is another $10k upgrade! I believe Valkyrie runs the same system in their Z but with a Stoptech Trophy BBK. Most here either stay with the OEM system or move to a BBK upgrade front and rear so that brake bias is not an issue.

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11-25-2019, 09:58 AM	#1 (permalink)
andy_meng1024 Premium Member Join Date: Nov 2009 Location: Taipei Posts: 233 Drives: 2012 370z Rep Power: 3382	R35 GT-R brakes are very different in front and rear bias compare to 370z bias. Z1 converted to GT-R brakes but they also have the balance bar to set the correct bias. In short, don't do it. JARblue and Spooler like this. __________________ Current: 2015 C200 / 2018 Cayenne / 2012 370z / 2012 C250 Coupe Gone: 2013 Cayenne / 2004 Cayenne S / 2003 SL55 AMG / 2008 C300 / 2006 350z / 2006 C280 4Matic

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