Upgrading disk brakes which to buy??

[Chezsherman]

I've been looking the web for some drilled disks to take full advantage of my 18" 5 spoke wheels still not sure on which to buy (drilled or grooved) the thing is I've looked at different brands and was wondering if anyone has used or heard a lot about MTEC brakes any advise would be great-full before I spend £190 on disks and pads.

[lotus791]

Drilled is out as I have saw too many crack . They do nice dimpled and grooved in black coated ... Front and rear should be about 160 and then some green stuff pads 120 ..... Mtec are listed on eBay under piranha .... Unless your hitting the track they will be fine .

[Toe-side]

Upgrading to 3.0 300mm discs might help..... bolt on upgrade and I know some one who has a set of calipers and carriers to fit right on

[Chezsherman]

Not sure if I want to go down the route of bigger brakes, maybe stick to same size just opted for grooved/ dimpled disks

[Toe-side]

Try Mtech then I've bought a few sets for different carswith no issues. Quality is good price reasonable

[Markcoopers]

If you do not want bigger rotors, why do you want cross drilled or grooved, what are you trying to achieve?

Cross drilled disks are designed to work with soft pads and while they allow the clearing of gasses and some cooling, they do crack if you get the pads wrong and or allow too much localised heat build up (hand brake after track session for example)
Grooved are good as they constantly clean the pad faces and are a better bet for track work, but will make light work of a set of pads.

I experimented with both on the Westfield, the grooved ones could destroy a set of pads in a little over 2 track days, and that is going some on 500kgs of car. Then again the 9mm solid discs would only survive 5-6 days them selves but at £10 each were service consumables.

[KERMIT1970]

Have a look at this
http://www.z4-forum.com/forum/viewtopic ... 76#p806576