BERTMAN 40 1 Cars Posted October 15, 2006 as im building my car back up from scratch basically, i thought id put some big stoppers on it. im going to have GTi 180 brakes but what master cylinder should i use?, would the 20.6mm GTi one be ok? or should i use a bigger one from a 405? cheers any help welcomed Lee Share this post Link to post Share on other sites
pug_life 0 Posted October 15, 2006 my pedal travel isn't too bad on my 206gti180 brakes, however if your wanting little to no give then the 405 unit is best used iirc. i prefer abit of give in the peddle as its quite easy to lock them up if you just push hard... Share this post Link to post Share on other sites
Rippthrough 98 Posted October 15, 2006 my pedal travel isn't too bad on my 206gti180 brakes, however if your wanting little to no give then the 405 unit is best used iirc. i prefer abit of give in the peddle as its quite easy to lock them up if you just push hard... I found with the 20.6mc that if you shimmed the master cylinder/actuator up you can get a nice pedal with about 5mm of modulation - if you run anti-knockback kit then you get about 1-2mm of slack at the most too. Share this post Link to post Share on other sites
j_turnell 137 3 Cars Posted October 15, 2006 Early 406 non ABS MC works a treat. Share this post Link to post Share on other sites
BERTMAN 40 1 Cars Posted October 15, 2006 i think ill stich the 20.6mm one and if i dont like it i can always change it later!!! cheers for the help!! Share this post Link to post Share on other sites
tom_m 0 Posted October 15, 2006 Early 406 non ABS MC (23.8mm) gives you zero peddle travel and your brakes are on or off. 20.6 gti MC gives you a long peddle before the proper braking starts. i'm about to experiment with the 22mm MC from teh 306xsi Share this post Link to post Share on other sites
