| Cross drilled vs Slotted Rotors |
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Technical Release:
Cross drilled discs offer an enhanced initial bite (more responsive, especially in wet weather) and greater heat dissipation (reduction in heat induced fade - brake fade) over O.E.M.
Slotted discs offer cleaning of the friction material (Brake pads), but do little in terms of additional heat dissipation. Slotted brake discs do not cool better than cross drilled discs or even standard discs. The face groves will slice the brake pad allowing the pad to bite harder into the disc causing an increase in disc temperatures. This is recommended for competition vehicles to bring pad and disc temperatures up into optimal operating temperatures (race cars warm-up engines, tires and brakes for
the best possible performance).
An additional technical note, proper slotting of a brake disc does not run off the outer diameter of the brake surface (this method can promote cracking as all brake discs expand with their release of thermal energy).
Recommending what to use can be challenging, the following should
assist you to properly supply your readers:
What type of driver ?
REGULAR STREET - Use cross drilled and good brake fluid.
SPIRITED STREET - Use cross drilled, street sport brake pads, steel braided brake lines, and good brake fluid.
RACING STREET - Use cross drilled or slotted, street sport to mild competition brake pads, steel braided brake lines,good brake fluid, or possibly upgraded brake kit.
AMATEUR RACING - Use slotted, racing brake pads, steel braided brake lines, competition brake fluid, or possibly upgraded brake kit.
PROFESSIONAL RACING - Use upgraded brake kit or, when rules do not permit upgraded brake kits, use slotted, racing brake pads, steel braided brake lines, racing brake fluid.
These are general parameters, if specific information is required
please contact our technical department.
Terry Gosse
Technical Director KVR Performance
www.kvrperformance.com
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