[Mk2] [Turbo] Track brakes 400HP?

[janiK]

Wanted good brakes for:
MR2 MK2 GT-S 400HP with slicks, circuit driving what lasts even driver is Kimi Räikkönen.

Brembo is good brand but their options doesn't give any choises for MR2.

Is there any experience and options to give?

[EarL]

Wanted good brakes for:
MR2 MK2 GT-S 400HP with slicks, circuit driving what lasts even driver is Kimi Räikkönen.

Brembo is good brand but their options doesn't give any choises for MR2.

Is there any experience and options to give?

Revision 2 brakes with decent pads (Carbotech come highly recommended) are very good.

I have 325mm HiSpec disks & 4 pot alloy calipers on mine. Stopping power is awesome.



EarL.

[janiK]

Revision 2 brakes with decent pads (Carbotech come highly recommended) are very good.

I have 325mm HiSpec disks & 4 pot alloy calipers on mine. Stopping power is awesome.

Image Replaced With URL For Quote http://www.zen98348.zen.co.uk/redbeast/ ... C00242.jpg

EarL.

Thanks pal, it was fast
Does those brakes last many rounds in circuit?
Of cource their stop car but have your ever test them in real track driving?

This is no joke! I mean that when drive fast laps, speed must also stop fast and brakes gets it in temperature what means with normal brakes over heat, spoiling and brake losing.

[pintovit]

If those brakes fade (with the proper pads) then you are braking too much!



Kidding...

[paul port]

Thanks pal, it was fast
Does those brakes last many rounds in circuit?
Of cource their stop car but have your ever test them in real track driving?

This is no joke! I mean that when drive fast laps, speed must also stop fast and brakes gets it in temperature what means with normal brakes over heat, spoiling and brake losing.

No, Seriously...
Stock Revision2+ Brakes and Disks, plus perhaps one of the top Carbotech pad materials is a really good, cheap option (Compared to changing to larger disks / callipers)

Panther+ (now AX6) Trackday pad (Best option for majority fast road) 150°F to 1250°F
XP8 as used on many of the MR2 Challenge race cars now 200°F to 1350°F, My experience Panther+ would be better for majority fast road.
Right up to
XP12 which really is for circuit use 250°F to 2000°F+ (That's 1091°C - Stuff will be glowing)

They are all High Mu, so even when cold they offer good bite.

At some point however, you will exceed the temperature rating of rubber bits in the stock calliper - EG compare the piston dust seal design of a Toyota calliper to that of an AP / WillWood etc.

Paul

[EarL]

Thanks pal, it was fast
Does those brakes last many rounds in circuit?
Of cource their stop car but have your ever test them in real track driving?

This is no joke! I mean that when drive fast laps, speed must also stop fast and brakes gets it in temperature what means with normal brakes over heat, spoiling and brake losing.

Well, I'll be able to tell you a little later this year, as I've only had the car back on the road a couple of weeks, but they're the same as Jonno's on here, and he's done a fair amount of miles on circuit with them, and swears by them.

On the road, they really are awesome. You hear stories of brakes making your eyes bulge, but these really do! Brake hard from a decent turn of speed, and you can really feel your face being pulled forward.

In all honesty though, a well set up set of Rev 2 brakes are virtually as good (they just dont look as good though. ).

EarL.

[greeny]

Earl,

Are they just on the front? stock disks/calipers on the back?

Also i think in issue three of mr2 magazine there was a company ad for a full big brake setup (MKII), no mention of price tho, and cant remember the name at the mo

Cheers Michael.

[janiK]

Thank you very much.

I tought at first that normal brakes aren't good enought in this case.
I got same kind of information in other forum and it's nice to hear that orginal brakes are good.

May be best option at start is change just trackday pads and good fluids.
Let see later if it needs something real upgrades.

[cantfindausername]

Stock calipers with uprated discs, pads, fluids and lines, and some good cooling methods would suffice I think.

[thai boxer]

Wanted good brakes for:
MR2 MK2 GT-S 400HP with slicks, circuit driving what lasts even driver is Kimi Räikkönen.

Brembo is good brand but their options doesn't give any choises for MR2.

Is there any experience and options to give?

Revision 2 brakes with decent pads (Carbotech come highly recommended) are very good.

I have 325mm HiSpec disks & 4 pot alloy calipers on mine. Stopping power is awesome.



EarL.

Fecking show off!!

[BenF]

Thank you very much.

I tought at first that normal brakes aren't good enought in this case.
I got same kind of information in other forum and it's nice to hear that orginal brakes are good.

May be best option at start is change just trackday pads and good fluids.
Let see later if it needs something real upgrades.

Nice to see you here. You planning to do trackdays - or actually race?

For trackdays - I'd say you could get by with standard Calipers and uprated pads. I used Pagid Fast roads for a few years and was happy with them, but for harder use, I'd consider the Carbotech pads.

[janiK]

Thank you very much.

I tought at first that normal brakes aren't good enought in this case.
I got same kind of information in other forum and it's nice to hear that orginal brakes are good.

May be best option at start is change just trackday pads and good fluids.
Let see later if it needs something real upgrades.

Nice to see you here. You planning to do trackdays - or actually race?

For trackdays - I'd say you could get by with standard Calipers and uprated pads. I used Pagid Fast roads for a few years and was happy with them, but for harder use, I'd consider the Carbotech pads.

Not going to race with it.
It's street car and plan for next summer is drive track much as possible wich means max 10 track day.
These cars costs in Finland double than in UK so little upgrade is half cheaper in car worth. I just mean example that 2500€ brake upgrade isn't so big investment for 20000€ car than 10000€. If car really needs better brakes I just must buy them.
Anyway upgrade is not free and because many guy like you has told me to try first good pads
Thanks for tip
May be i try those Carbotech pads.

Can anyone commend other pads?
One guy told me that RedLine pads are popular and pretty good.
any experience?

[BenF]

Jani,

I'd first try uprated pads all around on the standard disks - you can get very good stopping power with these.

Carobotech pads are probably the best you can get for the standard calliper - note there are different compounds you can get for different heat ranges.

Have a word with Patrick @ Rogue Motorsport (he's an Affiliate on here) and ask for his recommendation - he races a Mk2 NA in the MR2 Challenge series here in the UK.

If you go for big brake upgrades, you need to take care that that front/rear brake bias is maintained so the balance of the under under braking is right, with the rears doing a fair amount of the work. This is where you need to pay most attention - some big brakes kits ignore this and fit larger brakes and disks just to the front, which ruins the balance.

Ben

[janiK]

Jani,
...
If you go for big brake upgrades, you need to take care that that front/rear brake bias is maintained so the balance of the under under braking is right, with the rears doing a fair amount of the work. This is where you need to pay most attention - some big brakes kits ignore this and fit larger brakes and disks just to the front, which ruins the balance.

Ben

Yes, I know.
Must change every disks, brakes and set decompression valve for brake system to adjust rear brakes weaker. ...or something and hope that perfect bias is possible to find.
Normal family car has 60% weight in front wheels and high, so in hard braking there could be something like 85% in front wheels. Does it need anything else than front brakes.
Mr2 is little pit different because 42% front weight so in low braking 50% power to front could be close and in hard brake there should be something like 75%.

Is this right way to think about it?

This is main point why I asked information about good brake systems. If there is already aftermarket brake set which is perfect, why i should practice build one.

But at first I going to try orginal combination with new pads.
I hope it's good enough.
If not, let see then.

[skinthespin]

the limiting factor mostly is the tyres I think, the MR2 challenge guys use Carbotechs all season with no bother but to be fair they run a pretty average control tyre, I did a trackday last year with a couple of challenge gusy and I was lapping them during a session when they were running their control tyre (bit more even when they had semi slicks on though--lol), so its not a fair comparison, especially as on your turbo you will be carrying more speed as you enter the braking zone.

Jonb has run carbotechs on his turbo and had them fade even on a dampish day, he has standard discs and was lapping in the same sort of times as me.

I have GT4 calipers and 315mm discs on the front but standard discs and calipers on the rear (This will change when I get chance!) and the fronts never ever fade, even after 20 laps in the dry of very hard driving, and thats with Toyota pads, so this would suggest its a bit over braked at the front at the moment, especially as ive done 6 or 7 trackdays on a single set of front pads but are using a set of rears every 1-2 days.

I think if youve got a reasonably powered turbo and are using slicks then the standard sized discs simply wouldnt cope, regardless of pad type.

[Mikejc]

Another recommendation for the Carbotechs from me So far I am yet to get the better of them and believe me when I tell you that I have tried Considering that my car is making some pretty big numbers in terms of power and that it is running R888 this is pretty impressive =D>

I'm using the Panther Plus currently which is aimed at the fast road/ occasional track day driver. I intend to move up to the XP8 for this years Time Attack so I'll report back on the differences

I would suggest that you try the Panther Plus to start off with along with braided brake lines and a fully synthetic brake fluid. Also, check that your discs and calipers are in good condition. Once this little lot is taken care of you wont be feeling the need for bigger brakes

Best of luck and be sure to let us know how you get on...?

MikeJC

[skinthespin]

Mike, you still going to Donny on the 18th? And do you want some laps with me?

[Mikejc]

Mike, you still going to Donny on the 18th? And do you want some laps with me?

I am planning to yes mate and would be most grateful for you showing me around

I just need to sell my PSP to fund the day

Mikejc

[skinthespin]

Cool mate, you will have to take me out in that beast of yours, im fully expecting a sub 1.20 lap from you by the end of the day too, no pressure though......

[EarL]

Earl,

Are they just on the front? stock disks/calipers on the back?

Cheers Michael.

No Mike,

The same size disks on the rear too, only with a set of new Rev 2 calipers, on a billet spacer to allow the use of the stock handbrake mechanism.

Works a treat.