Vehicle & Technical > Discovery

Rear Brake Discs: What are the pros & cons of solid, slotted, drilled & vented

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Disco-Ron:
Mmm, do they 'do' vented discs for the rears....????

Coming froma performance car background, i can tell you that if you're heavy on brakes, the drilled discs will crack, maybe more-so on a heavier vehicle..... grovved are ok, they simply keep the pads from glazing over... however, as said,, in mud they might be worse....

andrew2986:
I had drilled and grooved disks all round on my Disco. Great on the road but filled up with mud off road and ate pads and the disks didn't last to long. (They were the Paddocks  disks) I also tried green stuff pads, didn't really notice a great difference.
Im back to standard solid landrover disks and pads with the calipers all overhauled and there not so bad, dont fill up with mud and the pads are fairly cheap.

I am, however, thinking of changing to 110 calipers on the front as I believe they have bigger pistons and pads and should have a bigger effect on the braking.

Andy

Range Rover Blues:
I've never seen vented disks on the back of anything.  I put EBC slotted and vented on the LSE, they do stop much better but TBH just having the disks and pads in top notch condition is half the battle.  ANy rust on the running surface gets polished to a black shiney surface which has luttle grip but absorbs the braking effort, having the outer half of the disk corroded away reduces the mean diameter of the disk.

Fit decent branded stuff (I have Delphi disks on Blue, no complaints) and good branded pads too.  If you use the brakes a lot then matbe performance stuff is the way to go.  I have EBC pads and diska sll round for the LSE because it get sdriven hard and tows frequently.  That said, EBC pads and disks all round, £210 :D

JumboBeef:

--- Quote from: andrew2986 on December 22, 2008, 23:04:32 ---I am, however, thinking of changing to 110 calipers on the front as I believe they have bigger pistons and pads and should have a bigger effect on the braking.
--- End quote ---

In the light of the recent very big news story about replacement brakes on a Land Rover (you all know who I mean), I wouldn't fit anything to any of my Landys' brakes which shouldn't be there.  If you had an accident, you can see what might happen to you.

I just had new (standard) pads, disks and calipers on the front of my Disco: the difference from the way it used to be is huge.

Range Rover Blues:
I've got a pair of 110 callipers and they do have bigger pads, not measured the psitons though but as they run on the same disk I'm not sure whether they stop any better or just last longer.  The 110 and 130 use the same rear brakes don't they.

As for the case you refer to I think the issue is that the 2 callipers were odd sizes, I don't think anyone can complain about you fitting bigger brakes, it's the quality of the work that's important.

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