Quote:
Originally Posted by grantmax
Incredibly helpful--thanks, Bill!
In your experience, is the 20.64mm an appreciable improvement? I don't want to overdo it, but I am certainly after a lower pedal ratio.
Also, it appears as though the 20.64mm master is made by TRW. Any issue there? ATE is preferred, of course.
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20.64 is incrementally better.
t
Personally, I like 30+/- but an argument can be made for any of them depending on the driver and usage.
The lower the pedal ratio the more effort that driver needs to use, over time that can be fatiguing, the return for a lower # is better control at the edge. For street use you are rarely at the edge.
The upper limit is ~50 here the m/c can't move enough fluid fast enough to work at the edge, for safety you want to be no higher than ~45 which to me is too mushy.
Never heard of a TRW m/c part # for these.