water injection question

[Livolsi, Stephane]

All this talk of water injection has got me thinking about following
through and finally doing it.
 
1 question I have is about the engine management.
 
water injection helps reduce detonation under high pressure and let's
you advance the timing. right?
 
So, if you install water injection, will the ecu 'understand' that it
can advance the timing and do that autonomically (I'm sorry, Dave, I'm
afraid I can't do that) or do you have to get a reprogrammed chip?
 
Stephane