What brake fluid for racing

[Fraser.J.]

On my last track day I managed to get my ATE superblue to boil out the cap? I'm assuming that's why it came out?

I'm running goodridge braided hoses, RC6 pads and HC discs, never had any fade but the fluid was definitely coming out the cap.

Just wondering if I now need to upgrade to a dot 5.1 or if its ok for this to happen and stick with the ATE?

If so what 5.1 are the race teams using? Burpspeed/big ash etc etc?

 

[Fred@BTM]

possible you overfilled it? the MAX marker isn't as high up as you think (you can't actually see the max line on the tank with it fitted to the car! Renault - another great idea!

 

[Djw John]

FYI you're not actually racing...

​and as Fred says, I have mine a little above minimum for track work.

 

[Cupman29]

Use Motul RBF600 or 660 if you have the cash. Never managed to boil it on track.

 

[Fraser.J.]

I know I'm not racing, just asking what they use!

Was thinking motul just wondering if there was anything else?

Over filled might be a good shout, gona change fluid anyway so ill keep it low

 

[Tony Hunter]

I just use Carlube 5.1 from gsf, never had any trouble. But there again my tank is not behind the manifold, it over the other side.

Megane coupe mod.

 

[itsjamz]

Bringing back an old thread. I need to do the brakes on race car, unsure what fluid to go for. Heard good and bad about most so I guess I'll just have to go for one.

 

[itsjamz]

After lots of reading motil rbf600 it is. And I've made a heat shield for the res

 

[Carbontec]

The price is big , but only this brake fluid can survive 25km special stage at OEM brake disc and caliper, with a lot of LFB

 

[Adam G]

Awaits "What's LFB?" Lol.
It's ok, I know.

 

[itsjamz]

Lol I know too but it's a lot of money for srf. In fact double rbf600 cost

 

[Fred@BTM]

the best stuff i've ever used is AP PRF660 (£50 though!)

 

[Mini182]

Halfords 5.1 is absolutely fine, and if you have a trade card its only £5 a litre.

 

[sonny172cup]

Use Motul RBF600 or 660 if you have the cash. Never managed to boil it on track.

I have used this on all my track cars, no problems, however not used it during a race.

 

[Advikaz]

SRF is overkill for these in my op especially on the price. I used Motul 600. Ap 600 is also good and any others around that boiling temp.

 

[Tony Hunter]

I just use Carlube dot 5.1 from GSF, brakes are and should be bled after every meeting anyway.

 

[itsjamz]

Got 1.5 litres of rbf600 from opie as 20% off motul products this week plus cheaper buying 3x500ml too

 

[Kelv]

motul rbf600 or 660 for me aswell.
had similar issues with the ATE super blue, with suffering brake fade(fluid boil after 15 -20 mins out at bedford, changing the fluid cured that for me.

although the ATE is good, its certainly not good enough for hard track work.

 

[Tony Hunter]

I don't have any trouble with ny carlube stuff.?

 

[msa197]

I don't have any trouble with ny carlube stuff.?

You use white 205s ! Lol

 

[mark123]

I just use std motor factor stuff never had any problems.

 

[Chip-mk1]

If you are using most of the expensive racing fluids bear in mind that you will have to change them a lot more often than if you run a standard 5.1 as they are typically more hydroscopic.

I dont think the OP boiled his fluid though, if he did it would have a spongy pedal, as per Fred I think he just had it over filled so when it expanded (still in a liquid phase) it pushed some out the cap.

 

[Tony Hunter]

That's why I moved my res over to the other side, out the way of the manifold.

 

[Chip-mk1]

That's why I moved my res over to the other side, out the way of the manifold.

Very sensible idea.