Upgrading Brakes Question

BenK wrote:
snip...

even super tuning calipers. Any binding of the slides will affect modulation....why fixed caliper best for high end performance modulation

Happy Holidays everyone !

Kids and grandson are off to see their mother on the other side of bay. Prime Rib ready for the oven and turkey started in the Weber

Answer to the PM on how floating calipers bind to affect modulation

GM's GMT400 era calipers on full sized are not the greatest. They even hired Bosch to do some forensics and the report said the caliper was not stiff enough and deformed under hard braking

Meaning that the piston on one side and the anvil on the other side is connected by a bridge not stiff enough. Most all floating caliper designs have the piston on one side and the anvil on the other side, but they seem to stiff enough to not deform...and/or...their slide design doesn't get pinched

Deform as in spreading apart and the slide tubes that are in the bridge get pinched.

So pedal modulation finesse is reduced

Super tune those slide tubes with better grease/oil/additives allows the tubes to continue to slide more easily.

Fill the tube to caliper bore with synthetic oil mixed with high temp grease and Molyb additive. Change the tube's O-Rings each time the pads are changed...as the O-Rings do get brittle in the constant high heat and heat cycle rates of braking. Getting them hotter accelerates their demise

My other vehicles do NOT have that slide tube design and the caliper floats between the sides of the cage. The slide mechanism is removed from the caliper's piston/anvil clamping forces

Also test your ABS often. Both to cycle some brake fluid through the ABS module and to get to know your braking of that vehicle