So I'm down to sorting the brakes on my F3000. I've noticed some issues with the setup that was on the car when I bought it.
In the rear, the brake pads seem to be about 0.050" too wide (i'm calling across the face of the pad the width, as in from the outer circumference of the rotor to the circumference of the rotor hat). Is this an issue? the pad material overhangs the outer edge of the rotor. and on the RR side, it also is slightly touching the rotor hat and has self clearance.
I also received two additional sets of pads with the car. One set is used and exhibits the same symptoms as the ones that are installed on the car. the other set is new and has been machined to an acceptable "width", however its installation height is still too far outboard and overhangs the rotor outer edge the same, while the inner edge has a lot of clearance to the rotor hat. there is a small tab in the caliper that is bolted on which the brake bad rests upon. I suppose if I shim that pad stop it could let it sit further in to center on the usable rotor surface.
either way, seems like more than one should have to go through for brake pads. I'm either adding shims in an area that never had shims before or I'm having to machine custom brake pads?
It leaves me wondering if the car has something else off - like mismatched calipers or rotors, or if I'm worrying about nothing?
Sorry for all my confusion, my last car was a pro formula mazda and everything was easy to order through star race cars!
Here's some photos:
These show pad overhang on outer edge of rotor and interference with the rotor hat on the inside. See how the inner radius of the brake pad backing plate is scraping the rotor hat above the bolt.
Here are some photos to show the difference between the pads on the car and another set that were in a box that have been machined differently. This first three is one that was on the car, you can see how if I rest it on the rotor hat it is wider (top to bottom) that the rotor braking surface area.
These next thwo show a smaller set of machined pads and backing plates that would be good if they could be centered on the usable rotor braking surface area. The last photo is the two types of pads against each other so you can see what has been machined off the one set.
open to all thoughts / opinions / advice.
thanks!
mikey