Forum: HoseHeads Sprint Car General Forum (go)
Moderators: dirtonly  /  dmantx  /  hosehead

I'll take a "stab" at this one.

When you attach a brake caliper to the top of the bird cage (right or left), the caliper tries to pull or rotate the birdcage forward when the driver applies the brake. The braking force is transferred through the radius rod to the chassis. The angle of the radius rod during the moment of braking will help determine how that force is applied to the chassis.

Left Rear Brake-For example, if the car is "winging" down on the left at corner entry, the left rear radius rod will also be angled down. When the driver applies the brake the braking force will transfer through the radius rod and will push down on the chassis, helping hold the car down, sort of like a tie down shock. Keeping the car down on the left, helps the car roll the corner better and will help the car drive off when the driver transitions back to the throttle.

Right Rear Brake-When the caliper is mounted on the right rear birdcage, the braking force will help load the right rear at corner entry. On most tracks the car is down on the left at the moment of entry, therefore the right rear radius rod will be angled up; when the driver applies the brake, the braking force will transfer through the radius rod and will push up on the chassis and down on the RR birdcage/tire, helping to tighten the car on entry.

It's important to evaluate your driving style and setup conditions that you need the most help with when determining which side of the car to mount your wheel caliper.

Disclaimer: I am not a sprint car expert! The above explanation is my personal interpretation and may or may not be factual.

interesting analogy, some information is probably true, I guess the way I look at it is the RR is the most dominant force of inersha in the driveline, when up to speed , forcing the largest wheel to slow at the closest location will dramatically aid in response (loading tires and causing dive/lockdown in the chassis) that is, without skidding the tires, a good driver will know , with the majority of my money going into a titanium inboard rotor I haven't had the chance to try the RR /LR brake, I believe the added brake will only help on stop and go type tracks,

At any rate, you will gain the added surface area of brake pad/rotor and improve the ability to slow down rapidly, and hey, if you avoid somebody Else's trouble, you'll probably never settle for anything less.