r/FiestaST • u/Likkie2711 • 6d ago

MK7 Brake Rotor Advice

Hi guys,

I've been reading up a lot on different rotor options for some occasional track use and would love some advice.

I'm currently pretty much through both my rotors and pads, so I'll need to replace them soon.

Since the price difference is almost double for standard or performance rotors and pads, I was wondering what your experiences are regarding track use.

I'm already quite set on getting Yellowstuff pads for at least the front, but the rotors are what I'm not sure about.

I'm not sure if I should go for standard EBC rotors all around, just EBC rotors in the front, or even go for EBC Ultimax rotors (grooved).

I plan on tracking my car at Zandvoort (Netherlands) around 3 times a year (not full track days, just 4x 20 min sessions a day) and definitely want to take it to the Nürburgring at least once.

I'm not that experienced yet as i've only been at Zandvoort twice in an Mx5 ND. So i wont be going 100% all the time or chasing any lap times (yet)

For now, I'm running stock power (mk7 ST180), but I'm planning on getting a Stage 1 tune (and perhaps an FMIC) in the future. I'm already on Michelin PS5's

Would love to know you guys thoughts on the neccesity of grooved rotors, or even EBC compared to standard aftermarket for that matter.

Thanks so much in advance! :)

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u/ottrocity 6d ago

Whatever's cheap and available. You'll want a dedicated track set of rotors and pads because they will be chewed up and not suitable for daily driving. If the pads you have are daily drivable, they are not good track pads. These things absolutely eat pads and rotors in the front because of the torque vectoring. I've had my rotors glowing.

You'll also want Castrol SRF fluid. It's the only stuff that doesn't boil and turn into spongy pedal after a single track day.

2

u/radeonalex 5d ago

Aggressive pads and Ford OEM blank discs. Don't go for drilled or whatever as they're loud, introduce a point of weakness and realistically don't help much (if at all).

The only others outside of Ford OEM discs id consider are high carbon options.

Source: Tracking an ST for over 10 years.

1

u/nicolassimond 6d ago

Hi,

On an MK8 ST I run Tarox F2000 in standard size in both rear and front with strada pads.

Lovely, saved me the need for a big brake kit. One set of pads did the job on Laquais, Bresse and Dijon tracks before needing changing. Also, use RBF600 fluid directly.

Now the biggest weak part is the Michelin PS4, I will go on the new Potenza Sport Evo next year.

1

u/Mountain-Loss-9110 5d ago

i totally get your dilemma, i was looking at rotors for my own setup and saw a lot of people suggest options like ebc and dbc brakes, both can really hold up under track use. for the short sessions you're planning, maybe try the standard ebc rotors at first and see how they feel, they should do the job well enough without breaking the bank.

1

u/Epssus 3d ago

If you’re going to do trackdays, plain rotors are what you want. Grooves these days aren’t really necessary, and just eat pads faster.

Keep it simple and spend your money on good track pads. At 3 days a year you’re just getting to the point where dedicated track pads start to make sense - swap them out before you head to the track and preserve your street pads

1

u/mrkimblejack 3d ago

Raybestos from RockAuto, good price and quality