I'll fess up to running b body spindles with a 12" rotor on my 3600# Camaro. I have ran my setup for over 3 years.
I run a high quality rotor. I repack bearings, and bleed the brakes every other weekend.
I run stock calipers with hawk dtc 30 pads. 7/8 master with power brakes. The pads last about 3-4 months. About the same amount of times a set of tires last. Rotors are changed when the pads are changed.
I have not needed more braking force with 275 40 17 NT05's. The car stops very well. The biggest issue is heat. I have no problems whatsoever on track. It is a 1" thick rotor, and mass is a big factor coping with heat. My rotors are blue half way to the wheel mount surface, and get heat cracks after 1 day. New calipers turn blue on the outer pad mount. We run a lot of HPDE track days, at the very least once a month. I feel I run the car hard.
We will be running auto club speedway in 2 weeks, then spring mountain in 4 weeks, and the week after, Inde motorsports Ranch.
I am getting tired of the maintenance and concerned about the heat. There are times the pad will smear into the rotor. This gives me a bad brake pulsation. It will come and go depending on pad temp. I have to machine off the pad transfer on the rotor.
I am installing bilge blowers on my brakes this week to help cooling
So, if you are going to run hard, invest in thicker, larger diameter rotors than the 1LE. I saved money on the initial install, but have to bleed, pack bearings, replace pads and rotors a lot. In fact I buy pads 2 sets at a time. I could have bought a z51 or wilwood brake setup for the money I have spent maintaining my 1LE brakes.
I am looking into upgrading my brakes all around.
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