Einar Posted July 23, 2019 Share Posted July 23, 2019 Brake booster/servo - single line: What is the difference between the brake booster of the type/brand «Lockheed» sold by Moss (and others, i.e. Canley): https://www.moss-europe.co.uk/brake-servo-assembly-gsm125.html and the cheaper one at i.e. Rimmer, James Paddock and others: https://rimmerbros.com/Item--i-RH5272 – I think this latters is the brand «Powertune». Any performance difference, or just the price/quality/reliability. Quote Link to comment Share on other sites More sharing options...
Clive Posted July 24, 2019 Share Posted July 24, 2019 The moss one says "unbranded" so could be tgecsame as all the others? You can always ask who makes them. I fitted a powertune servo to my Toledo, and it works fine. 3 years or so, including 2xRBRR. I sourced mine from MGBHive via eBay as they were best value for the same part. Watch ratios, I chose 1.65 which is the one used by mgb's and feels "right," but more powerful are available. But they could be too harsh? Quote Link to comment Share on other sites More sharing options...
glang Posted July 24, 2019 Share Posted July 24, 2019 They all do the same job although of course different boosts levels are available (1.9, 2.3 etc) which is dictated by the diameter of the main servo casing. So it comes down to price/quality which is hard to judge - have heard of problems with the cheaper units, although not recently, and of course theyre more common so will produce more reports..... On a Vitesse the only thing you might find fitting one is that pedal travel becomes excessive and you have to go to the bigger master cylinder (0.7" to 0.75" bore) as fitted to the last GT6's that had servos as standard. Quote Link to comment Share on other sites More sharing options...
Einar Posted July 30, 2019 Author Share Posted July 30, 2019 Thanks for the replies. I’ve further looked into it, and it seems to be «two qualities» - one Lockhead at around £200,- and (several) aftermarket (Powertune etc.) at around £100,-. Boost level/ratio recommendation seems to be 1.9 for Vitesse – so I would probably go for Lockheed with ration 1.9 – seems to be the right one. Quote Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 30, 2019 Share Posted July 30, 2019 these kits are universal and not model related its a one kit can or might fits all its a box of pipes hoses and brackets where and how you fit it is variable lots of differing ideas out there . we shortened the battery tray on the Vit6 and moved it to the n/s popped the servo in the gap facing fwds. others are mounted across the top of the clutch Mcyl. all down to preference pete Quote Link to comment Share on other sites More sharing options...
glang Posted July 30, 2019 Share Posted July 30, 2019 Well I believe as Einar says you do have to chose the boost level you want for your particular car (weight, performance) and personal preference (driving style, leg strength etc)..... There seems to be 1 to 1.65, 1.9, 2.3 and 3 with the second one usually recommended for our cars but best would be to try one already fitted because as boost goes up brake 'feeling' tends to come down and as we dont have ABS this could be a problem. Quote Link to comment Share on other sites More sharing options...
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