andrew-theasby
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 posted on 11/10/03 at 12:27 PM |
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Master cylinders help please
Hi, i bought a stuart taylor pedal box from someone a while ago which came with 2 wilwood master cylinders. One had written on it "rear
only" and stamped .700, the other "front only" and stamped .625. I thought the number would be the bore of it but surely the fronts
would require a bigger bore? But anyway can anybody tell me what size master cylinders i should be using as im using 4 pots on the front and xr4 rear
callipers. Pressumably ill need a bigger one for the 4 pots to move more fluid into them or have i got it all the wrong way round?
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Mk-Ninja
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| posted on 11/10/03 at 02:26 PM |
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No.
You need the small one for the front because you need to create a higher pressure not a larger volume.
I cant remember which physics law it is but it states P1 x V1 = P2 x V2
So the greater the ratio betweeen the master cylinder and slave will give you a larger brakeing force.
Hope that helps
Gordon
I'm sure I've got one, just don't know where I've put it
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highspeeddirt
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| posted on 13/10/03 at 12:54 AM |
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I wrongly fitted my ST box/cylinders with the big one to the front and Ian Grey told me to swap them round for optimum performance. As Mk Ninja says
its about pressure not volume but after that all the tech stuff went over my head 
Steve
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ChrisW
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| posted on 13/10/03 at 09:10 AM |
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Have a look in the Luego build manual for confirmation  Download here
Chris
My gaff my rules
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