I used to use a German fluid called ATE Super Blue in a Porsche I had years ago, however I believe that the D.O.T. has banned its use in the US now. I had a serious problem with boiling the fluid in my front brakes when driving fast and braking hard, which this fluid prevented. It was about twice the price of a typical premium brake fluid but worth it to me, as I didn't have to bleed the brakes so often after I started using it.

ATE Super Blue is illegal in the US because of it's color :rolleyes:

I still managed to boil the Super Blue fluid with some threshold braking maneuvers. Switched to Motul RBF600 and haven't look back since.

I used it in a Porsche that I had in the 90s to cure a problem with boiling brake fluid and it worked great. I had tried many other good fluids but would still wind up with a spongy brake pedal after braking from high speed. The ATE came in two colors, blue and amber, so it was easy to see when the old fluid was out when flushing the system.

As of TODAY... this thread is exactly 9 years old.

Have we covered everyone's brake fluid needs yet? :gtfo2:

• OEM = suck
• DOT 3 = suck
• DOT 4 = good
• SuperBlue is not sold in the USA
• ATE TYP 200 is superblue without dye
• Motul RBF600 is better
• Castrol SRF is the best

Don't mix any brake fluid besides 3 & 4.
Adding DOT 5 will mess your sh*t up.

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:iagree:

LMAO, AGREED!!!!

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So... .is there a recommended brake fluid? :wtf2: :stirthepot:

:shakes head:

:eekdance:

You forgot about 5 and 5.1. Don't confuse the two. 5 is silicone base and doesn't mix with 3, 4, and 5.1.

Changing to Motul 660 Today
 

I only track my TT Z

Yesterday at pocono raceway I lost brakes on the infield turns and had to downshift hard and pump breaks

This was on stock fluid after 6 runs of extremely hard breaking from 145 to 60 using carbotech brake pads slotted stop tech rotors. It was obvious I boiled the fluid.

Put 4 ways on got off of race line and gave everyone point by's until pit row. At speed this is probably the scariest thing in racing to any driver other than knowing imminent death. So point to make is spend the money and get the fluid if you are ever going to track your car.

I use Motul 5.1 :tup:

Car & Driver did the same thing back in 2008 on their first test drive and put the car into the wall :eekdance:

Get some proper brake fluid; even Motul 5.1 isn't really up to heavy track duty. Try Motul RBF600/660 or Castrol SRF or Torque RT700 for your needs.

Motul RBF 600 or 660

Castro SRF is probably the best and is the most expensive. I know experienced drives that run it for a couple of years or more. The stuff is awesome. Motul 600/660 and Endless 600/660 are also really good. Don't skimp on buying good brake fluid as you stated no brakes or soft brake can end badly.

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Is it true the GT-R uses DOT4 fluid and if so, will a dealership perform a brake flush and replace with it? I know it’s not a terrible DIY, but I’m probably going for an AT flush anyway, so was going to at least get a quote.

GT-R's do use Dot 4 fluid. Depending on the dealership. You just might just off the shelf Dot 4.