Car Court From F1 to Nascar to grandma's Camry....it's Car Talk.

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follow up

Posted by Ed Sawyer (A) on August 21, 2004 at 07:23:45

In Reply to: Brake Rotors: slotted versus drilled posted by Steven R. Rochlin on August 20, 2004 at 21:09:12:

"As for brake balancing (front/rear biasing) for track, you can either play around with different brake pad compounds and/or have installed a brake bias adjuster. Why have adjustable
bias (front/rear balance) of the braking system? Because different tracks and track conditions can be fine-tuned for optimum lap times. As an example, during wet track days you will
want to increase the percentage of rear brake biasing a bit."

Well, playing with biasing is generally not a good idea, even for experienced racers. It's all too easy to overbias the rears, which will quickly lead to a spin. The front does 60-80% of the work in most cars, (except maybe those with more rear weight bias, e.g. 911, NSX, etc.) and adding more rear bias isn't necessarily going to help in general. In an iffy situation, it will/may result in rear lockup sooner, which you never want. It's also too easy to mis-adjust it on the fly, I know people who have spun/crashed/gone off because of this, and they were fairly high-level racers that knew what they were doing, just happened to hit the lever or knob at the wrong time.

Anyway, good info in the above post! (time to Track your car soon, methinks. ;-)

-Ed

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