Fuel Injection FI settings and Big Bore

Does anyone know... if you go with big bore on a 2010+ 450, does the FI need to change (with gytr tuner)? Or will it compensate?

 

 

The electronic engine control system is very simple, it doesn't have a Mass AirFlow or O2 sensor so it can't meter the incoming air charge volume or tell if it's running rich or lean based on exhaust gas composition. Having said that it will not automatically compensate for changes to the intake, exhaust or anything in between. It will compensate for temperature and air density.

Thank you. And this has been pretty much confirmed by cylinder works CS rep. They don't like to give any (specific) tuning advice but yeah... pretty much confirmed.

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