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by **Mexi** on Mon Mar 25, 2002 11:03 am

im wanting to convert my si to cossie discs and pads :devil:

(ready for the ..... )

am i right in saying that i need 4wd callipers and 2wd disks? wot pads should i use? shall i buy grooved disks?

also as mine is a 1.4 si will the callipers fit the same as a mk 3?

also do u reccomend doing a rear disc conversion? if so does anyone wanna earn some extra £££££ by fittin em for me? (project :rolleyes:

?)

cheers

by **xrsi** on Mon Mar 25, 2002 11:36 am

Right - as for the rear conversion, Have got all of the parts from an RS2000 to fit to mine!

Fitting dont look to hard!

For front, i think that you need 4wd calipers and disks! ( i hope, just ordered some!!)

If you want i can email you a scaned FF with instruvtions of how to fit the above.

Just give me a shout!

James :grin:

by **Mexi** on Mon Mar 25, 2002 11:40 am

what issue is it mate i may have it anyways.

cheers buddy :grin:

by **Project** on Mon Mar 25, 2002 1:53 pm

Use Mondeo ST24 discs, not Cossie discs - the offset of the Cossie discs is wrong which is why you have to space the caliper out, whereas the Mondy discs should go straight on.

by **xrsi** on Mon Mar 25, 2002 3:07 pm

the issue is july 01!

by **Ian C70T5** on Mon Mar 25, 2002 4:16 pm

ST24 discs fit ok??

Does that mean you dont have to use spacers..

Do cossie Calipers fit with these?

by **Project** on Mon Mar 25, 2002 5:43 pm

Yes

Yes

Yes

by **Ian C70T5** on Mon Mar 25, 2002 6:26 pm

what size are ST24 discs??

by **Project** on Tue Mar 26, 2002 2:35 pm

Exactly the same size as Cossie discs - I suspect they're an evolution of the Sierra Cossie kit which was gonna be the Mondy Cossie, but which was never made.

Mondy Ghia Si 4x4's use Cossie running gear too I think...?

by **xander7** on Tue Mar 26, 2002 4:35 pm

what size wheels you gotta be running to squeeze mondeo st24 discs behind them ??? 15s ??, i am running 14s, would St24 discs and cossie calipers fit on ok ???

i wanna give me Si some more stopping power :grin:

Xander

by **xrsi** on Tue Mar 26, 2002 6:01 pm

15's is the absolute min for cossie breaks!!

If the ST24 disks are the same size, thenn unfortunatly you will need 15's! :sad:

by **xander7** on Tue Mar 26, 2002 7:22 pm

damn, looks like it is a simple uprate of the discs and pads for me then, i can't afford bigger rims for a long while.

EBC pads and Grooved discs it is then :rolleyes:

Xander

by **fiesta_fras** on Wed Mar 27, 2002 10:56 am

its the caliapar that needs the clearance, disc size not important as long as they fit the calipar

by **Ian C70T5** on Wed Mar 27, 2002 11:54 am

I want to be guaranteed that if i buy ST24 brake discs they will fit straight under my cossie calipers..

Also that i can use "normal FRST" caliper bolts and not extended ones with spacers

by **fiesta_fras** on Wed Mar 27, 2002 11:58 am

most motor factor stores can give detailed info on disc sizes, dimensions etc, ill check tm

by **xrsi** on Thu Mar 28, 2002 12:27 am

On 2002-03-26 18:22, xander7 wrote:
damn, looks like it is a simple uprate of the discs and pads for me then, i can't afford bigger rims for a long while.

EBC pads and Grooved discs it is then

Xander

I have a set going complete with calipers from an FRST, have only been on car since aug and have pleanty of life in the pads due to not great seal of mileage being done!

They are :- Green stuff pads, 8 grooved vented (not x drillled) disks and FRST calipers,

Yours for say £70?

James :grin:

by **DuncanFRST** on Thu Mar 28, 2002 11:51 am

Ian, mate - why are you so concerned about using the spacers and longer bolts?

by **Ian C70T5** on Thu Mar 28, 2002 12:52 pm

I'm not matey, dont worry..

BUT

I've managed to Warp my drilled cossie disks, so may need some new ones soon.. soooo, might aswell do that if they are possibly cheaper etc.

by **Ian C70T5** on Thu Mar 28, 2002 12:52 pm

I'm not matey, dont worry..

BUT

I've managed to Warp my drilled cossie disks, so may need some new ones soon.. soooo, might aswell do that if they are possibly cheaper etc.

by **higham** on Thu Mar 28, 2002 5:39 pm

Would the same conversion work on a mk 4? Mine are solid 12mm thick discs. Was thinking of going for a big disc kit (like a 285mm) from hi-spec, but dont know if the standard callipers can be used with thicker vented discs (eg 20mm). And I don't really want to spend another 400 bucks on callipers.

Anyone got any suggestions??

by **daz** on Sat Mar 30, 2002 1:04 pm

ian.
are you useing green stuff pads?
they are that hard ,hence no dust that all the heat goes into the disc hence warping them.

project st2000.
what is the price difference between the st24 discs and cossie ones?
cheers guys.
daz

by **icecool** on Mon Apr 01, 2002 1:19 am

Right then, can someone tell me exactly what you need to do this, as I want to upgrade the brakes on my car. The car is a 1.1 mk3.5. I know what your going to say but I want them ready for when I get some turbo power.

by **higham** on Mon Apr 01, 2002 5:34 pm

Daz, the type of pad doesnt determine wheteher or not a disc will warp. Heavy braking does.

Are the mk4 callipers the same as the mk 3??
Mine look the same as the xr2i's from Fast Ford
:???:

by **~nomad~** on Mon Apr 01, 2002 10:21 pm

So.... You need mondy st24 discs, 4wd cossie calipers......and what else? Longer bolts I presume? What we need is a exact list of everything needed, so we can all rush out and buy the bits to do it :smile:

God knows I want lovely big discs on mine!

by **Ian C70T5** on Tue Apr 02, 2002 1:15 pm

Green Stuff are indeed VERY abrasive..

by **Project** on Tue Apr 02, 2002 10:35 pm

Higham - Mk4 calipers came in two lengths I think. As long as the caliper bolt spacing is the same (I should think it is), you won't have a major problem fitting them. Pad hardness contributes to disc warping but the main factor is how much heat the pads can dissipate through themselves, as well as their friction coefficient (I don't understand either - basically just how grippy they are). Get out there with a ruler and a jack and have some fun.

Daz - ST24 discs are the right offset for the calipers and you therefore don't need to use 5mm spacers on the bolts.

by **Choosey** on Fri Apr 05, 2002 7:58 pm

Al....you have a PM :wink:

by **Ian C70T5** on Sun Apr 07, 2002 12:30 am

ST24 Discs dont fit

by **BOB.T** on Sun Apr 07, 2002 1:43 pm

I want big brakes too:grin::grin:

by **Shaun** on Thu May 23, 2002 10:00 am

yeah, pretty sure you have to use the st24 brakes. but why the hell do you need them on the 1.4 si, not like its gonna be screaming around at high speeds is it............................ :wink:

by **Ian C70T5** on Thu May 23, 2002 11:02 am

ST24 discs DONT FIT... Tried and tested and FAILED

by **MOONDUST FRST** on Thu May 23, 2002 6:57 pm

Why not whats wrong with em Ian :-?

by **~S1~** on Thu May 23, 2002 9:33 pm

Has anyone here actualy got cossie disc and calipers on? If so what are they ie 278mm cossie 4x4 front discs with 2wd calipers etc. It seems everyone has an opinion but to save more expensive mistakes (like ianfrst buying a set of st24 disks that dont fit) can we hear from people who have done the conversion and know what parts they used.

Im not having a go at anyone. I just dont want to order a new set of grilled and drooved (?) discs and new calipers to discover Ive wasted me dosh!

by **Quantum** on Fri May 24, 2002 1:28 pm

I've fitted Cossie 4x4 callipers AND discs to my car. It's not exactly a FRST, but the running gear is standard FRST.

The 2wd discs have the wrong offset on them which means they don't fit.

Regards,
Stephen

by **Mulder** on Sun Jun 02, 2002 2:03 am

S1 :Has anyone here actualy got cossie disc and calipers on? If so what are they ie 278mm cossie 4x4 front discs with 2wd calipers etc.

Why not PM Cubby, that's exactly what he's got on his 240.

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