Thanks, I really thought it was the master cylinder but on inspection all looks OK, apart from the fact that I thought that there might have been 2 springs in the cylinder?? anybody's got a layout of CV type master Cyl? I guess it may be like you say the springs although i think that all...

Hi, I have a similar issue with my 1970 SIIa. When I adjust my pedal high properly and 1.5 mm freeplay in the rod then the pedal goes down to the floor, if I slightly preload the pedal then it's OK but the brakes will bind after a couple of brakings. The excentrics are all correctly adjusted...