Quote:
Originally Posted by jim powers
having issue with brakes on a 2400 pound super gas car, 4 wheel aerospace disk brakes, brake pedal has literally only 2 inches of travel at most and pedal is incredibally hard but does not hold car in beams when footbraking the car,it takes ungodly pressure to hold car at all when you get on converter, changed master to a new wilwood style, what is the right bore size for a master cylinder in this application, i beleive it has 1 1/8 on it now ,any ideas
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A few years ago I changed my brakes from drums to Aerospace 4 wheel discs. I used all their parts including the M/C. It never had a good brake pedal. I added a 2lb valve and still I always had the same issue. Lots of brake travel and the same as you. Nothing until about 2 inches from the floor would there be any brake pressure. And if you stood on them they would almost touch the floor. You could pump them and then the pedal would be at the top but after a few seconds brake travel would be back as it was. Several calls to Aerospace accomplished nothing. Even bought a new M/C from them with no improvement. 2 years or so ago I was racing at a divisional and got a little aggressive with the brakes on top end. Car went side ways and just about rolled the car and hit my opponent. Enough is enough. That fall switched to Lamb brakes. There is no comparison. Lots of brake pedal and no issues.