earckens Posted November 1, 2017 Report Share Posted November 1, 2017 Hi Erik, not a great deal. The pipes are very small the cylinders don;t hold that much. A litre will see you out. Roger Oh good Roger, thank you. I was not sure how many litres to order, that is cleared up now. Have a good day, Erik Quote Link to post Share on other sites
earckens Posted November 1, 2017 Report Share Posted November 1, 2017 The supplier where I buy my grease and oils has several DOT4 choices: Castrol, Repsol, Lucas, Millers, Motul, Castrol React Performance, Castgrol SRF Racing, Mobil. I want the very best, what should I choose? Prices differ quite a bit amongst his offerings but I want me to be guided by the best quality, not price. Quote Link to post Share on other sites
RogerH Posted November 1, 2017 Report Share Posted November 1, 2017 Hi Erik, the best fluid is dictated by the application. Some of the racing fluids have a higher spec but only come into play during racing (higher temp etc) Go for a good name. Millers DOT4. Castrol DOT4 Mobil DOT4. Roger Quote Link to post Share on other sites
Alec Pringle Posted November 1, 2017 Report Share Posted November 1, 2017 In terms of a high boiling point appropriate for competition and Alp storming as well as normal road use, Motul RBF 600 would be my preference, but I would not use RBF 660 which is more of a pure competition formulation. Bear in mind that this kind of high-performance brake fluid tends to have a shorter effective working life than less exotic varieties, and will need changing every two years at the longest. Cheers, Alec Quote Link to post Share on other sites
earckens Posted November 1, 2017 Report Share Posted November 1, 2017 Good to know. After Roger's advice I already decided to keep it with down to earth Castrol, Millers' or Mobil oil. Grts, Erik Quote Link to post Share on other sites
DaveN Posted November 9, 2017 Report Share Posted November 9, 2017 Must admit I replaced all my fluids with DOT 5 silicon 2 years ago. (Auto Etc).The fluid is still clean in both brake and clutch systems. I’ve not had to replenish either of them. I replaced the seals in one of the calipers just to see the internal condition, (thinking if that one is good the other will be the same or similar), I did replace both rear cylinders though when I rebuilt the back end. The master cylinder had been replaced by mr bodger the servo looks original. The brakes work just fine. Quote Link to post Share on other sites
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