Pre and post turbo injection in an audi b5 s4

[parmas]

Originally Posted by rotrex

any update?
my car is still in winter storage until March

I have been working on it and tested it.

Currently injecting 350cc post turbo and 50cc pre-turbo @ 10psi till 18psi.

Ambient temp is 15C. Injecting 400cc @ 18psi result 35DegC on first run climbing to 45DegC on consistent runs.

After throttle is closed and cruising, air temp keeps a steady 15-20DegC. Note this is all without intercooling.
The crazy thing is that with water injection I am loading engine on boost from almost stoich at low boost while from 10psi+ running 13.5AFR and lots of advance !

Now I am working on wheel alignment issues so until then... no updates.

Next up... increasing Pre-turbo injection to 150cc total of 500cc