PMC, A 92x92 4cyl is 2.4_L not 2.2L so it's more like 158hp per L. I don't want to get into the whole comparison discussion, but the numbers are very obtainable. There are a half a dozen of 92x92 n/a VE’s making well over 280whp and a few already into 300whp range, with room to grown.
I'll PM you to get info on the throttles that you have tested.
Data and formulas are all theory until proven. A 2200lb car that runs 11.5@116mph is all the proof I need that it's making the power.