Hondata

I've been reading through the manual on the flashpro and came across the option to use manifold pressure to Determine WOT instead of throttle pedal. They say it's a "must" for forced induction cars, but it's not checked on the base Hondata maps.

Has anyone tried this on their 1.5Ts? Any difference, better or worse?

You dont need to check that box. The ecu will take care of the afr targets quite welll based on load. This also helps with fuel economy. You can check it however; just tune to your liking so your fuel economy wont suffer too much...