
Originally Posted by
63Qcode
Ron3 , I go a little overboard on my brakes ..... VIR backstraight is 5200 ft long and I`m in the upper 120 to low 130 mph range and the turn at the end of the straight is about a 25 to 30 mph downhill turn .
I also flush my whole hydraulic system before every event .... fluid I use is ATE Type 200 , DOT 4 and never had any temp problems , Motul 600 is a also very good fluid . VIR ambients can be in the low to mid 90`s for track days . A pressure bleeder also makes bleeding/flushing a snap .
I also run solid rotors , standard GM front and rear and never had any issues . If you`re running consistently at the limit , then you should probably upgrade your rotors , but I think you`ll find your tires will be the limiting factor on braking . I like my pads to have a medium initial bite and then I can modulate from there . My tires are either Avon racing radials with a treadwear rating of a little over 200 or maybe Hoosier R Series racing slicks for next year ..... 235 on front and 295 on rear .
I just went out to the garage and found a set of Hawk pads I took off and my notes say .... too noisy and dirty for the street , just like you .
The biggest thing about pads is that they absolutely must be bedded in per the manufacture`s directions . I didn`t on some Wilwood pads and glazed the rear pads on the first lap .
The thing about my brake/pad combo I found is to use them hard and then get off them so they can cool down before the next turn .
Anyway , have fun tracking !!
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