Help with my focus st

[Javgc221099]

Can someone guide me on how to add pops and bangs to my Focus ST and increase the boost a bit? I see that Ford's boost tables are more complex than those of other cars.

[mjkaz900]

To add a crackle tune, if you go into Engine > Spark> and look under MBT tables normaly under mapped points 0-4 you can change the values on the table under load 0.10>0.20 at the rpm range you want for mine I did 3k and up,
Now what I had to do was change the values to a positive 18.5 or 19 in order to get the -10 ish spark not sure why but it works.


For boost
what I had to do was change the values in a few places, first I changed

Engine>torque model> monitoring
Map maximum, I changed the values at load 1.6 and 2.0 to almost 38 psi (this is max allowed minus atmospheric pressure 14.7 roughly so in the ball park of 23, I have not hit 23 it's just the roof) then I interpolated it.

Then under torque model>driver demand> and desired torque I increased mine at 80 and 100% Throttle by about 20% (I did this slowly and data loged as I want, I recommend doing it in 5% increments if you haven't done so already.) then interpolate from 40-80 throttle to smooth it out a little)

Then under torque management>general
I changed the max torque in all the sections to 376 (this is the ceiling, it will only demand what the driver demands)

You might have to change the LSPI and Combustion max tables to support the power bump but data log to see if the airflow is being limited by anything, if it's popcorn then more then likely you when to change the LSPI and Combustion max.

[Javgc221099]

Oh thanks bro, I will do it and I will tell you how it went.