Originally Posted by leecavturbo
Q.
is turbo surge a mismatch turbo
and it will surge on every and any engine?
i.e the compressor / turbine is mismatched.
or is it the engine Ve / turbo is mismatched?
i.e the engine just cannot consume the volume
being supplied?
i have very steady boost @ 1bar but above that
i have pulses of boost rising and falling at half
second intervals(is that surge)?
no matter how much fettling i do with the apexi
i can't smooth boost.
wont surge on every engine, not by a long shot, unless its something REALLY stupid.
worse on small engines, ie the kinds of things we use.
mapping can help.