It looks like my emoticons didn't work; didn't do it right I guess.
A recommendation for good reading on brakes education: "High Performance Brake Systems; design, selection and installation" by: James Walker Jr. They install some BBKits at the end of the book. Good reading, and informative. I only paid $25 for it! (brakes don't stop cars, tires do) |
Originally Posted by y2k5S2k,Mar 8 2010, 11:44 PM
[me]:I'm saying that the fluid will be cooler under the same operating conditions with the spoon calipers than with stock.
I have to chime in here, because I can't take it! The above is not true. Aluminum has a larger coefficient of heat than steel, so the heat will "flow" into the Al. faster, but will also flow out of the Al. caliper faster. i.e. Al. absorbs heat faster and dissipates that same heat faster. So, input the same heat into both systems, and the same amount of heat gets to the fluid; Steel resists the input, but holds it longer. Al. absorbs faster, but dissipates it faster. The heat will flow more evenly throughout the Al. and make its way to the fluid, However, this isn't the area of most concern regarding heating of the fluid; it's the pistons. They see the heat first by direct contact with the pads and then transfer that heat to the pistons; and the pistons are in direct contact with the fluid. A really good way of keeping fluid cool is by insulating it from the piston/pad heat source. Titanium spacer plates are great at doing this. Ceramic is good also, but coatin the inside of the pistons with ceramics is kinda spendy--it's used in F1 and other race fields. |
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