INJECTION Timing adjustment Evo X 4B11

Trying to think a bit laterally here on a way to effectively adjust the injection timing on an Evo X.

The Tephra ROMs sadly don't have an option to change the injection timing angle.

Each time I bury the throttle I get a ton of black smoke at the back of the car and horrific fuel economy- suggesting to me the injectors are firing too early and sending fuel straight out of the cylinder into the exhaust.

Given this parameter can't be adjusted would it be possible to effect a similar change through tweaking the injector settings (effectively making them a little slower to respond) and/ or through advancing the exhaust MIVEC cam?

The car is running ID1050x, MHI 18K and is built.

Option 2 is go to a standalone, but that's going to be the thick end of £4k....

Injection timing isn't the cause of the black smoke. An excessively rich mixture is. Turbocharged cars often need to run a very rich mixture to control combustion temperatures -- and thus they will produce black smoke and poor fuel economy when run in that condition.

What are your Lambda values at WOT? Or is it just black smoke on transition to WOT?

Thank you for the reply. The smoke is as I transition to WOT.

It's odd as my Evo 9 doesn't throw smoke out when transitioning or at WOT- however I have adjusted the injection timing as it's running a Link. The fuel economy on the 10 is significantly worse that the 9 (which is 150hp more powerful and an older engine design).

Lambda values I have not logged, but will do; it's a bit of a pain to do with Evoscan and an LM-1. I had it road mapped by a specialist in the UK when the ID1050's and MHI turbo were installed and from memory it was around 11.5:1 but don't quote me.