how would one go about painting the rotors? i'm looking to paint the hub area and the drilled holes since they are showing some rust. from the research i've done it seems that using OSPHO helps as a primer, but i'm not sure what to follow that up with. i was also wondering if this can this be done using a brush instead of spraying. i'd rather not go through the hassle of masking off different areas if i can go across the area with a bursh of some sort.

 

You're joking right?

I don't know of a paint that will adhere to and withstand the heat generated by your brakes, especially the brakes on a sports car. One good jab of the brakes from near triple digit speeds and you're going to quickly begin to undo the work you put into painting the rotors. Lets also not forget the brake dust generated, that gets in the drilled holes and corrodes the paint, so it'll be a PITA to care for and clean.

I take it you've already looked into and/or own a set of zinc plated rotors?

 

It is good idea and I have done a couple of sets with very good results. It will keep the centers, edges, and vanes from rusting. Obviously the swept area will rust but cleans off with brake application.

You must remove and clean the rotors (I use a rust neutralizer available at the hardware store).

Mask the swept area and paint with high temp paint (I have used silver spray header paint on mine, but black looks good).

For best durability you can then bake in your kitchen oven for 450F for 4 hours (not a required step).

Lasts better than plating and will resist damage from heat and dust.

 

I removed mine and painted them with High temp paint. Looked much better. Be sure to get the cooling vains as well as the hubs.

The OEM ones painted and the new ones:

 

i have the same rotors as above ----^ and it seems the cad plating wore off around the edges, hub, and drilled holes. so is it a must to take them off of the car?

 

We painted my rotors with high-temp paint two years ago, and they're only now in need of a fresh coat. It does make 'em look much better.

 

Same here around the edges.