Haynes Forums - Cooked my brakes!!!

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- Running gear (http://www.haynes.co.uk/forums/forumdisplay.php?f=5)

- - Cooked my brakes!!! (http://www.haynes.co.uk/forums/showthread.php?t=8098)

vmax1974

28th May 2012 09:51 PM

I used to use DOT5.1 synthetic fluid too if that helps and was using red stuff pads with grooved and drilled discs was not allowed to go any bigger due to the technical regulations so have no experience in the difference but maybe try a combination of all the suggestions

aerosam

29th May 2012 06:06 AM

Quote:

Originally Posted by baz-r (Post 74042)

iirc laws of psyics say that the only way for brakes to work is to convert to a diffrent form of energy (heat) so no matter what pad or disc you use heat has to go somewhere.
a grippy pad makes more heat quicker, sintering (adding metal to friction matrial) will pass some of the heat to your caliper etc. making your brake fluid hotter so helps for a short time then cooks the fluid and seals. the best way is to increase the outside area of your disc and help airflow (venting best option)

you can't fight the laws of psyics so just get bigger vented discs :cool:

Very true, this conversion to mondeo spec looks like a good, cheap and fairly easy option, I'm also going to look at making some sort of cooling duct like you see on formula 1 cars to feed air into the inside of the wheels.

flyerncle

29th May 2012 01:14 PM

The wole thing is a trade off between generating heat to get friction from the pad to grip the disc and then getting rid of it to start all over again,choice of pad will make a huge difference over standard application,saying that the Ginetta G20 used standard rear pads,Ferrodo with Ginetta stamped on them a silly prices.

baz-r

19th April 2014 11:06 AM

any idea if this is a cosworth or a mondeo v6 278mm disc? the offset is diffrent

baz-r

11th May 2014 07:22 PM

i now have this upgrade fitted to my car mainly to sort ballance issue from disc rear upgrade after fitting an lsd

what you need is 1 pair of mk1 or 2 st24 or st200 calipers and pads (jag x type?)
1 set of mondeo v6 discs 273mm size
4x 11.5 mm long spacers with 12.5mm hole
4x m14x40 bolts with locking agent
hoses are the same as sierra set up so swap right over

fair bit of room under 15" alloys but i did have to trim off the fins at the back of the caliper to clear cycle wing brackets

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