23-03-2013, 08:57 AM
(23-03-2013, 06:05 AM)ozonehostile Wrote:(22-03-2013, 11:22 PM)darrenjlobb Wrote:(20-03-2013, 01:34 PM)Ed Doe Wrote: Quite the reverse. If you multiply the surface area of one end of a hydraulic circuit, you have to multiply the force applied at the other end by the same number. Hence why if you have a dt and upgrade to gti6 calipers without the master cylinder you have to push the pedal harder and it travels further....
You wouldnt have to push the pedal harder...it would be easier, just more travel...just like a lever, longer you make it easier it is, but more it moves.. smaller master cylinder just means more control, unless its to small in which case its just damn annoying, but certainly wouldnt get harder to push with more pots / bigger caliper pistons....
i dont think how i wrote the original comment makes it clear what i meant, i wasnt talking about having to push the pedal harder, more that with huge calipers and what i presume is still a gti master cylinder that the brake pedal will be more of an on/off switch
You would have to push it harder; you've significantly increased the piston surface area without increasing the master cylinder piston size. The reason you have more pedal travel is there is more hydraulic fluid in the circuit.
Ozone that's precisely what we're both agreeing it won't be; if you have small brakes with a large master cylinder, it'll be more like an on/off switch than these with a gti master cylinder.
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Astor 'X' 4 GTi6-6 - SOLD!

'08 LY Renault Megane RS 230 F1 Team R26 - GONE
'56 BMW Z4 Coupe 3.0si Sport - SCHWIIIING!