its closed chamber, yes have wideband and 12,2 on wot, did not have time to try more one timing last time, next race i 7/6 with new converter and will also try with 34 on ignition timing. i dont have the flow on the W2, but cause it seems likeit dosent like more than 6,500rpm, so dosent breathe enough. Anyway im close to the goal on my ET an almost happy With it
