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[05omegav6]

Just be sure to paint them black so that they might absorb heat faster

[chrisgixer]

It was a tip from the Master btw. Various makes come pre painted silver.

[cem_devecioglu]

reply #2 and #3 .. but if that doesnt satisfy try sanding the discs

[chrisgixer]

reply #2 and #3 .. but if that doesnt satisfy try sanding the discs

Ahem. REPLY NUMBER 9

[05omegav6]

Do the pads not sweep 98%ish of the entire disc face

[chrisgixer]

Yes they do.

But the rust starts on the outer most edge where the vents are on the circumference. It's just a matter if time until starts to affect the swept area. Where it creeps in is where the vibration starts.
There pics non here somewhere.

BUT if the entire disc is painted the rust takes longer to take hold. About a year. They still go rusty in the end, and the paint comes off with the rust. The extra year gives the discs a chance to wear out before the rust on the inner edge becomes an issue and vibration and performance are affected.

Not sure why it's just the inner edge. More splashing I guess, and the heat shield/splash guard(?) leaves the bottom inch exposed.


Anyway. Going by my ebc's. Gm discs, degrease, paint with a decent heat resistant paint, leave over night, then fit. I rekon.

[05omegav6]

Worth a shot...

TC discs for the Vectra C are painted... must be a new fangled idea

[mrgreen]

vw polo rear discs are painted and do they ever need it!

[Marks DTM Calib]

It was a tip from the Master btw. Various makes come pre painted silver.

The edges and the inners are painted with heat resistant paint, the pads soon rub any overspray off and then it gives a bit longer before the corrosion sets in on the iron.

[cem_devecioglu]

Do the pads not sweep 98%ish of the entire disc face

yep.. but still the disc face wears unevenly and also leaving very sharp edges


ps: I can see those kind of 3d surface map discs very frequently as my citizens use them till no brakes