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On a side note, these suckers are heavy!
They weigh more than my wheels!

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Yep!

That's why I discourage people from going really big like I did on the hot rod. Those rotors are 37 pounds EACH. 74 pounds of spinning weight in just front rotors.


As for the uber cars, here's a pic I took of the front suspension on a Mercedes SLR. Notice the big duct running backwards. It leads to a cap that blows down over the top of the rotor.
The smaller duct runs into the center of the rotor behind the hub.

The carbon ceramic rotors have straight vanes.

These brakes tend to dump a bunch of heat and even flicker with flame when pushed hard. That's a big part of the reason for the shield around the lower ball joint.

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What calipers does this car use? Same as you have? 8 piston Brembo's? If so how much is that caliper duct? The one that fits on the caliper.