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After every race weekend, the brake fluid in the reservoir turns slightly dark (black). It seems to get worse as I let it sit. Could the brake fluid (Wilwood 570) be attacking the seals? There is a small leak at the reservoir seal into the master so this is the suspect. Car is an '86 2nd gen...

Is it legal to install pads underneath the rocker panel, so you can jack the whole side of the car up without mashing the pinch rail? I couldn't find this anywhere in the GCR or ITCS. Thanks, Mike

Hello all, I have an 86 RX7 GTU, ITS prep. Suspension was stock and just received the IT suspension upgrade kit from MazdaMotorsports. All is good except I have a question about a part included with the upper rear spring perch / shock mount kit. I could wait and call MM on Monday but I want to...

Hi, I was wondering if anyone can give me some advice toward quieting my exhaust system. My car is a recently-built ITS 86 GTU, and I've only taken it to two tracks so far. At the first track I never got a black flag for sound, but the second event I got flagged for 104dB. The header...