danegrey

Need some advice or suggestions or what ever.
The Master Brake Cylinder failed after a weekend of track days.
The pedal got really long and when I took it back to the shop, they bleed the brakes and the pedal was still soft/long and then they check around the MC.
Saw leakage.

The shop I go to also worked on the car before the track event, and it was not that way.

background:
have upgrade brakes as follows:
Z1 370Z / G37 (Sport) Brake Upgrade Package
Stillen Front Brake Cooling Kit
MOTOL 600 brake fluid
Brake Pads were Hawk HPS 5.0 front / rear

I think it was do to heat, have Z1 Headers / Test pipes.

So just want to make it solid for track days.

thanks all for your help

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Lots of Changes
the Z needs to be driven and driven hard for the car lives for it