Upgrading Brakes

[airbox]

I have just got some 2 pot r33gtst rear calipers to get rid of my sticky old sliding ones. I want to at some time get r33gtst ( or 34gtt if they will fit straight in with the standard 16" wheel) front calipers. Will I need to change the master cylinder then as I will have twice as much piston area or so?

The backs I can probably live with even though that will be doubled too so the braking will not be at such pressure but not the fronts.

Is the r33gtst master cylinder different to the stagea series1 one?

[lachlanw]

i recall somoene did some calculations on here and the front 2 pot calipers acctually had bigger area than the 4 pots . i think poeple are also running the stock mastercylinder with 4 pot set ups and have no problems

[KiwiRS4T]

I have upgraded my S1 to GTT brakes all round. I was looking to upgrade my mastercylinder from the Stagea's stock BM50 to a BM55 but they are hard to find second hand and very expensive new so I haven't bothered. My brakes are fine. A bigger cylinder would in theory give you less travel and a harder pedal but it wouldn't make you stop any better.

[airbox]

will the r34gtt discs and calipers fit under the standard 16" wheel?

[KiwiRS4T]

will the r34gtt discs and calipers fit under the standard 16" wheel?

Probably not at the front (see my reply in brake thread).