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Charlie spring user reporting in
In message <email@example.com> PDQSHIP@aol.com writes:
>> Should we eventually develop some sort of system condition indicator based
>> on the overboost control valve's duty cycle, you'll benefit from that too.
> Might be a good baseline.... But the threshold might have a very wide
> tolerance based on engine condition, WG spring/condition, exh mods, head
> mods, turbo mods, cat, etc....
Absolutely. You'd _have_ to calibrate it for each engine. But it would allow
you to monitor gradual changes and spot symptoms developing that would
otherwise be covered up by the servo nature of boost control.
Committee Member, UK Audi [ur-]quattro Owners Club