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| Master cylinders confuse me http://locostusa.com/forums/viewtopic.php?f=23&t=18524 |
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| Author: | KB58 [ September 24, 2016, 2:04 pm ] |
| Post subject: | Re: Master cylinders confuse me |
Bent Wrench wrote: My machinist friend is convinced that Wilwood makes "show" brakes. He uses a lot of bad words when I take him Wilwood parts to work on. So making good looking brakes is a bad thing and this is based on... what? |
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| Author: | seattletom [ September 24, 2016, 2:27 pm ] |
| Post subject: | Re: Master cylinders confuse me |
BBlue wrote: Tom, I read sections of the book years ago. As I recall, he described three types of valves, constant percent reduction, pressure limiting and the type you describe. Wilwood describes their valve as giving up to 60% reduction of pressure. That's all. To me, that sounds like a constant reduction valve, the least desirable type. I suppose we will never know, unless some curious soul sets up a test rig, measuring input and out pit pressures across a wide range of pressure. Bill, here's Tilton's explanation. It's consistent with Puhn's text: Hmm, for some reason I can't copy/paste the url. but if you go to Tiltonracing.com, under the Technical tab, click on Installation Instructions, and under Brake Accessories you'll find a line item for Brake Proportioning Valve that will bring up a pdf. Hope that helps. |
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| Author: | BBlue [ September 24, 2016, 4:13 pm ] |
| Post subject: | Re: Master cylinders confuse me |
seattletom wrote: BBlue wrote: Tom, I read sections of the book years ago. As I recall, he described three types of valves, constant percent reduction, pressure limiting and the type you describe. Wilwood describes their valve as giving up to 60% reduction of pressure. That's all. To me, that sounds like a constant reduction valve, the least desirable type. I suppose we will never know, unless some curious soul sets up a test rig, measuring input and out pit pressures across a wide range of pressure. Bill, here's Tilton's explanation. It's consistent with Puhn's text: Hmm, for some reason I can't copy/paste the url. but if you go to Tiltonracing.com, under the Technical tab, click on Installation Instructions, and under Brake Accessories you'll find a line item for Brake Proportioning Valve that will bring up a pdf. Hope that helps. Thanks Tom, I hope the Wilwood item is the that type. Bill |
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| Author: | FastG [ September 25, 2016, 2:14 pm ] |
| Post subject: | Re: Master cylinders confuse me |
I swapped the calipers yesterday and I think it's going to work out perfect. It feels a lot better and I could get the fronts to lock, pedal pressure it a little greater but it was pretty light to start with. The next track day will tell because multiple +100 mph stops and tough to re-create on the street. But I love the Nocost solution to the problem., Thanks for everyone's help Graham |
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