Cooked my brakes!!!

[aerosam]

I was using ebc green stuff pads, and I only so track days. I'll happily fit better pads too!

[loony]

Maybe upgrade to 278mm vented discs and Mondeo MKI/II V6 calipers ?
Bigger diameter = better heat distribution/resistance.

Price of calipers is same as Sierra's: ebay link

[AshG]

green stuff are not up to track days tbh. if you want to stay with them then go for yellow stuff or the mintex 1155's i had sierra 240vented discs and calipers on mine with 1144's and they never overheated on track days.

i now have willwood's and yellow stuff. i would say the yellows dont have the initial bite like the 1144's did but they work very well once they start to warm up after a couple of laps and i have not got them to fade yet. my old sierra brakes worked very well i only upgraded to willwoods for the weight saving.

[aerosam]

Originally Posted by loony

Maybe upgrade to 278mm vented discs and Mondeo MKI/II V6 calipers ?
Bigger diameter = better heat distribution/resistance.

Price of calipers is same as Sierra's: ebay link

That sound like fun, what mods are required to fit to sierra uprights?

[loony]

Originally Posted by aerosam

That sound like fun, what mods are required to fit to sierra uprights?

You just need 11mm spacers - between caliper and upright (single plates or "bushes" for each bolt), longer bolts (10,9 grade), and sometimes driling hole in upright to 12mm diameter (depends on calipers - Scorpio/Granada Cosworth or Mondeo mkI/mkII V6).





Still need de-rusting and painting... but looks like this

Bolts are M12x40.
I have to drill uprights...

[aerosam]

Originally Posted by loony

You just need 11mm spacers - between caliper and upright (single plates or "bushes" for each bolt), longer bolts (10,9 grade), and sometimes driling hole in upright to 12mm diameter (depends on calipers - Scorpio/Granada Cosworth or Mondeo mkI/mkII V I'll6).
I'll post pictures of my set when I visit garage...

Nice one, I can get spacers made up no probs. Sounds like a fairly easy conversion.

[baz-r]

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

[aerosam]

Originally Posted by baz-r

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

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.

[baz-r]

Originally Posted by aerosam

Nice one, I can get spacers made up no probs. Sounds like a fairly easy conversion.

dont forget the threadlock

[vmax1974]

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