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Technical F.A.Q.

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Keeps my caliper seals from cooking.

Keeps my caliper seals from cooking.

The Brembo brakes on my Nissan Sport-sponsored 350Z T2 racecar are a huge strength. Using Hoosier R-compounds generates additional heat over the...
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Winning Tech for Dodge Viper Cup

Winning Tech for Dodge Viper Cup

Another Dodge Viper Cup win for us! Thanks for the heat shields! The brakes were working overtime with 100 lbs of rewards weight on the car (and also...
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Track Wisdom

"Very high [brake] temperatures can also cause the brake fluid to boil with a resultant increase in pedal travel. This should be detected immediately by the driver, as a very small quantity of boiling fluid is enough for the pedal to go right to the floor without any effect; in contrast to the liquid brake fluid, the boiling part is compressible. It is particularly important that when the car has been stopped for a short time -- up to 15 or 20 minutes after a drive in which the brakes have become very hot -- the pedal is depressed for a check. When the car is at rest, brakes act as a heat sink from which heat spreads to the fluid contained in the calipers; brakes which were fully operative when the car was driven may have become totally inefficient after it has stood awhile."

-- Paul Frere, Sports Car and Competition Driving

Where does the shielded brake heat go?

Not all of the heat shielded by our heat shields is reflected straight back into the pads, some of it is dispersed radially, away from the caliper/pad contact zone. Heat travels from hot to cold areas, so since the pad is the source of the heat most of the time, very little heat will transfer from the cooler shield into the hotter pad. That said, some folks do tend to run higher temp brake pads with our shields, but that is a normal decision that racers are making all the time, matching pad compounds to track and racing conditions.