leescoobynut

some said to me the other day that my brake disks are on the wrong way round and should be changed over i never really thought about it and now its really starting to bug me, so could someone tell me if they are,this is how they come on the car so aint touched them the pic is of the passanger side wheel .....what do you think

Milamber

iTrader: (2)

is the front of the car to the left? if so then I would agree. The vanes should be directing the heat/dust to the outside.

The way it looks at the moment the vanes direct it to the hub

frayz

iTrader: (7)

Different people run em different ways mate..

My Tar:OX are fitted in the opposite direction to yours so my grooves cut from the bottom of the pad outwards. Yours are cutting from the top of the pad inwards.

If the discs/pads are new with little wear then id swap em.. if not then best left alone.

leescoobynut

yep front of car is to the left,the person who must of put these on probley didnt have a clue what they were doing,are they gona be hard to swop round,or any reason why they could be....????

leescoobynut

there aint no wear on them really so probley be good to change them,i want them proform at the best they can

Spec'c'57

iTrader: (1)

Hi spec fitted my uprated set that way round... as said i think its different ppl with different views... as said if your not happy just swap them around.. fairly easy task if mech minded...

essexboy30

iTrader: (1)

It's more to do with the vents inside the pad disk and not the grazing grooves on the outside.
The vaibs inside, should point backwards, so as to draw the air from the center of the hub out. If the vains are straight, then i don;t think it makes a lot of difference.
The idea being that the hub is the hottest area and needs the cooling first.

JohnD

iTrader: (5)

They're OK Straight cut grooves point forward at the top. Curved grooves, the other way! Saw this recommendation on a brake manf. site. Might have been AP
JohnD

leescoobynut

thanks for the help people ,different views so not sure what to do,i just want the best out of the disks so will have a beeter look at them soon ...

jiffthejiffmanjaffa

iTrader: (10)

You can run them as you've got them fitted, but it's not to their full potential.

The grooves should be face the other way. The photo you've put on should be off your off side

essexboy30

iTrader: (1)

Check out the following of the AP RAcing website.


this shows how it's all down to the cooling vains inside the disk.
also looking at this unless i'm mistaken, their grazing grooves run the same as yours.

Milamber

iTrader: (2)

I think you're mistaken Mike, the grooves face away from the direction of travel in the above diagram.

WRX_Dazza

that make sense, getting the air away from the hub and not bringing air into the hub, which will get progressively hotter.

i'm sure i have seen grooves go both ways though and again thought it was personal choice.

again, my logic would be to assume the grooves took the brake dust and air to the outside of the disc.

from the dba site:-

essexboy30

iTrader: (1)

Chris the vents face away. The grazing groves on the outside don't.....
we've only seen the grazing grooves in his pic....

Phil

What do these Solicitors know eh

Milamber

iTrader: (2)

Thats the best you're gonna get for free

I still think I'm right

I do agree though that we can't see the vents....

frayz

iTrader: (7)

Mikes right but i think the discs that lee has posted are the TAR:OX G88s that have no curvature in the internal fins therefore could be fitted either way.

Phil

LOL that sum's it up

Milamber

iTrader: (2)

Oh what do you know you can't even write a cheque.........

frayz

iTrader: (7)

PMSL..

You'll have cash at the next meet and like it

essexboy30

iTrader: (1)

what have i started

leescoobynut

ill have a look when i get chance and see which way the cooling fins go then i think ill know more about what everyone has said,,,,thanks for in put

FLAT ERIC

iTrader: (1)

Simple breakdown of available information.

1. Directional vanes must curve back from the direction of rotation to draw the hot air away from the hub regardless of which direction the grooves end up facing.

2. Non directional vanes can be mounted either way round but for best water & brake dust removal it is advisable to have the grooves sweeping away from the inside edge and towards the outside edge.

Mark

Milamber

iTrader: (2)

i rest my case