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[tigers_gonads]

Only been on 6 months and covered less then 3000 miles and I have a friggin ridge on the outside of the disc already 
Anybody else noticed this ?

Have Vauxhall started slipping in cheep crap under the guise of OEM ?

Is it time to start using pattern discs 

[TheBoy]

chrisgixer reckons by painting them, this is resolved (for new discs).  Its certainly something I will try next time I have to change discs.

[chrisgixer]

chrisgixer reckons by painting them, this is resolved (for new discs).  Its certainly something I will try next time I have to change discs.

To be precise, painting them keeps the rust away long enough to get full wear out of the disc before the rust eats in from the outer edge of the inboard face, and chips away the inside swept area.

Obviously paint can't possibly help with disc wear from the pads. A ridge from the swept area v the untouched area is part of normal wear.

Question is, is the wear excessive?

How high is the ridge? Is the wear a abnormal?

[TheBoy]

chrisgixer - if you theory of rust creeping in from the outside edge (which sounds valid enough), why does it only affect the inner face of the disc, not the outer?

Me no understandie 

[05omegav6]

Could be a casting issue...

The rough casting of the inner hub circumference where the spines start around the hub allowing a build up of moisture laden crud whereas the disc face is relatively smooth, as is the hub...

That rough inner is about the only unmachined surface on the disc, and directlty affects only the inner disc face

[chrisgixer]

chrisgixer - if you theory of rust creeping in from the outside edge (which sounds valid enough), why does it only affect the inner face of the disc, not the outer?

Me no understandie 

Who gives a shit. Paint them. No more problem.

....well, not a problem that affects the life/use of the disc anyway, as the rust will eventually break through, just later in the discs life.



Anyway, your hijacking again, as the op's description makes mo mention of rust. (So far)
Sounds like an excessive wear problem in this case.

[chrisgixer]

Only been on 6 months and covered less then 3000 miles and I have a friggin ridge on the outside of the disc already 
Anybody else noticed this ?

Have Vauxhall started slipping in cheep crap under the guise of OEM ?

Is it time to start using pattern discs 

How deep is the ridge? A pic? ....or a measurement perhaps?

[chrisgixer]

chrisgixer - if you theory of rust creeping in from the outside edge (which sounds valid enough), why does it only affect the inner face of the disc, not the outer?

Me no understandie 

Who gives a shit. Paint them. No more problem.

....well, not a problem that affects the life/use of the disc anyway, as the rust will eventually break through, just later in the discs life.



Anyway, your hijacking again, as the op's description makes mo mention of rust. (So far)
Sounds like an excessive wear problem in this case.

Sorry, bit abrupt, but factually to the point. Hopefully ?

[Steve B]

Are you saying that the rust is getting between the disc & pad (on the top edge) and therefore acting like a sort of grinding paste 

[chrisgixer]

Are you saying that the rust is getting between the disc & pad (on the top edge) and therefore acting like a sort of grinding paste 

I dont think this is a rust problem for the op. Or at least it's not mentioned.

TB is talking about a rust problem that kills all omega front discs for all but the most high mileage of drivers in that, the rust on the outer vented edge of the disc chips off, and will eventually eat into the swept area. This cause vibration and loss of performance, but for some reason does do on the inner face more than the outer face. Hence the no understandment.

[chrisgixer]

It's not purely an omega problem btw. Most car discs do so to a greater or lesser extent.

[Andy H]

3000 miles in 6 months means the car is sat rusting 99% of the time

the inside face of the disc gets the salt road spray but the mud shield prevents it being washed off again (the outside face is unshielded - you can see it through the wheel spokes and the salt gets washed off)

[chrisgixer]

Here's an old thread explaining TB's post.

http://oldsite.omegaowners.com//forum/YaBB.pl?num=1243976524

As said it not just omega, and, not just the fronts.

[chrisgixer]

Looks like we need the op to explain his ridge? Is it rust? Or wear?

[Andy H]

Looks like we need the op to explain his ridge? Is it rust? Or wear?

If it is wear then it is very unlikely that the quality of the steel has changed enough to be significant - much more likely to be (as BIGtime said) due to the surface rust acting as grinding paste.