Originally posted by epoxy
The only bad thing about v-afc, and all other v-tec controllers i know of (excluding the hondata systems) only program the a/f ratio before STOCK v-tec engagement. i dont know for certain, but that's what i read the other day.
I thinkn you're talking about open-loop versus closed-loop operation, do a search on HT, and you'll find more info.
I believe the open vs. closed nomenclature refers to a feedback loop.
-PHiZ