i believe a couple people on this board have hit low 13s with all honda parts and ive heard about one car that runs a 12.9 all motor with all honda parts.... ls/vtec with type r head plus some good ol TUNING TUNING TUNING!! and then after that... guess what... TUNING TUNING TUNING!! Im sure with a fully build h22 you could see some 11s in a light enough car....