On Thu, 19 May 2016 08:09:47 -0700, tabbypurr wrote:

25% is only required when there's a single-circuit service brake.
Anything with dual-circuit is 16%.

16% is awful. I've experienced one that only just does that. I'd truly
hate to have brake failure in such a car.

I'm really not sure I aspire to experience brake failure in any car at
all, tbh.