Quote:
Originally Posted by Calum
Is a slightly compressible fluid considered a benefit? That seems at odds with the idea of swapping braided lines, but I've always thought that a little flex in the system would help modulation with hard pads.
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Every fluid is slightly compressible. When you press the pedal 3 times and hold, does that pedal remain in the same general position or does it feel like the pedal feel like it's losing pressure and sinking? Are those pedal pumps solid and somewhat linear each time? These are some things that you can feel and understand that there is a range of travel that is proportional to how hard the pads are depressed.
Fresh fluid that has been flushed gives you that confident feel. Brand new cars some times exhibit that excellent feel. The point at which the fluid starts to absorb some moisture (or lacks the ability to absorb moisture) is where the different fluids begin to differ greatly.
Stainless steel braided lines are different. They do firm up the brake pedal by decreasing the amount of line expansion, however, you can never really fix the feel of boiled fluid without changing it out. On top of that, brake lines are much more "rigid" compared to the brake lines of yester-years. Brake lines are a consumable in which they must be replaced every so often and that goes for the same for SS lines as well.
In terms of modulation, the confident pedal feel and lack of brake fade also contributes to excellent connection between you and your brake pads. Certainly brake pads plays a large role in modulation as well.
