Rear brake upgrade

[Bullet Fast]

The stub axles stop them coming off easily.

Gavin

Yeah... I'll see about that got the right calipers and carriers though. Pretty stoked. Rotors are at 21.3mm. Hoping I can have have some local guy skim both for less money than a single new rotor, though at $48 a rotor I'm not holding my breath.



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[vwthunder]

They still look tiny, get some of these https://www.ecstuning.com/Volkswagen...e/Rear/ES4519/

[rgvlee]

Don't see the point these work pretty well.

[kaanage]

They still look tiny, get some of these https://www.ecstuning.com/Volkswagen...e/Rear/ES4519/

Or get smaller rims

[Bullet Fast]

So I finished mine a while ago. Kept the stock rotors with a skim and through the remsas back in. They're still bedding and will be for a while I'd say.

I tried to replace the rear lines too but the braided sections I have are 2mm too large for the mounts. If I could have got stepped drill in the I would have changed that but oh well...

I'm still not convinced on polo brakes. Sure. I can lock up the wheels. I'm sure they fade less now. Balance is a little better though seems a little oversteery on hard braking now which is fun...

Just figured I'd get a bit more immediacy out of of the brakes! Thinking about it, I'm sure heavier spring rates again would help, less camber maybe. Bleed is good, remsa pads front and rear. Just not the authority I was hoping for. I said to Gav a couple of weeks back I think I'm spoilt from the monoblocs on sport bikes on hot slicks.

I'll look at bumping up a tyre category from pilot sports, but considering the cornering potential of the car as it is easy the chassis is the weak link.

That and I don't like the dead travel in the brake pedal.

Anyone tried upping the master cylinder size!?

[seangti]

So I finished mine a while ago. Kept the stock rotors with a skim and through the remsas back in. They're still bedding and will be for a while I'd say.

So what are you running exactly? The Bora calipers on a stock rotor? That doesn't sound right being the bora calipers would be designed for a vented rotor, not a solid (and skinny) polo rotor.

What fronts do you have, stock?

The stock sized stuff even with DBA rotors and good pads aren't what I'd call authoritive. Add some braided lines, bigger rear is nice. Gavin and Louis both have 312mm fronts, I've ran Gavin's car on the track, it stops well, similar pedal travel to stock, so good modulation and much better at high speed over stock. It's not brembo, but ample competent.

[Bullet Fast]

I've got the 312mm front and 256mm vented rears. Braided lines front, the rears won't fit, yet. Remsa pads front and rear.

Yes it feels as though nothing has been modified. Nice safe modulation, good feel. I guess a little soft for my preference and of course, any softness in a chassis with such high cog and short wheelbase is going to manifest as a disconnect between pedal and response. Just a shame really.

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[Eddy]

Hoyhoy.

I upgraded both the front & rear to Audi Mk1 TT 225 which do help a lot, then pads are a big thing as well, (I can cook Ferodo 2500's easily, Ferodo 3000's were the answer.) then cooling is a real big benefit, then the Master Brake Cylinder Stopper is a massive improvement, braking the Little Blue Girl on the street is out of this world, it's a solid pedal.
All this is from a lot of trial & error, a lot of labour & love went into the final result which is dam good.
All this is only needed if ya want to get dam good times when going serious on the track.

To Improve Me Polo. - Page 9

[Bullet Fast]

I bet the brace would help a heap actually. Hmm.

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[seangti]

I've got the 312mm front and 256mm vented rears. Braided lines front, the rears won't fit, yet. Remsa pads front and rear.

Yes it feels as though nothing has been modified. Nice safe modulation, good feel. I guess a little soft for my preference and of course, any softness in a chassis with such high cog and short wheelbase is going to manifest as a disconnect between pedal and response. Just a shame really.

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That should all be well up to task for any street oriented driving. Remsa's are fine for light track work, which still far exceeds street speeds. Hill climbs and what not, remsa should be fine too. I run QFM A1RM's on the front which to date have been adequate for my track driving. Yes, I could still brake later and marginally harder if running a more aggressive pad, but it's acceptable for me.

I haven't looked into the master cylinder brace beyond seeing what Eddy has done.