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The rust you see is superficial. You see it everytime you wash your car. Drive the car after and very quickly the rust is rubbed away. What amazes me is how fast this "rust" appears.
The rust you see is superficial. You see it everytime you wash your car. Drive the car after and very quickly the rust is rubbed away. What amazes me is how fast this "rust" appears.
Its because the rotors are raw metal and have no protective coating. Its perfectly natural for this to happen. I used to let mine rust up on one of my older cars because it would stop brake squeling.
If the rust you are referring to is in the "non-contact" area of the brake pads, the best solution is to remove the rotors and have them cadmium or silver zinc plated at a commercial plater. Typical cost for all 4 would be under $100 (at least in the DFW area).
The plating comes off of the "contact" area after the first couple of stops. (yes, do it in a controlled area, not the first time on the interstate)
Or, you could consider trying to find some 2008 or newer rotors....GM took care of the rusting problem everywhere on the non-contact part of the rotors with a light grey coating that completely prevents rust on the hats and vents............
Or, you could consider trying to find some 2008 or newer rotors....GM took care of the rusting problem everywhere on the non-contact part of the rotors with a light grey coating that completely prevents rust on the hats and vents............
Not completely, I have some rust spilling 1/4" inch into that non- contact grey painted area and that does not go away.
Rust is coming from non pad to rotor contact areas (rotor cooling veins and hubs) thus 'drive and rust goes away' is not a complete solution... I wrote this up sometime in early 2005>>> http://forums.corvetteforum.com/c6-t...s-subject.html
About year later decided to zinc plate the rotors and that really resolved the rotor rusting (non contact areas)>>
Remain pleased with the set up...but I do need to say the C6 is not a daily driver and I only use P21 for a cleaner (only on occasion)...
I used (7/2005) OxySolv (which Eastwood now calls Fast Etch) on the hubs and rotors since the hubs are a source of rust too... then decided I prefer the zinc look on the rotors and sent them to a company in California (3/2007)...but about a year later the CA EPA caught them dumping chemicals and closed them down. For my ZR-1 rotors sent to a company in Georgia and they did a great job at less cost (and shipping was a hell lot less considering I am in Virginia)...
So here is the set up (OxySolv and zinc rotors) when all was first done (3/2007)>>
I shot this in 6/2008)
I also have Porterfield R4S performance pads which are extremely low dust.
Zinc plating really helps in rust control...you can see in this picture (ZR-1 rotors I had just received back from the Georgia plating company) the zinc coats all surfaces (of course the pad to rotor contact area the zinc will rub off)>>>