actualy..my car was so berat..when meter @90KM/H RPM was @ 2500..suppose 2b 90km/h-rpm @3000 rite?my vtec open @6300rpm..i try use d upgraded ecu last nite..ringan sikitlaa.but vtec stl open @6300rpm..dat upgraded ecu come from ek4 where vtec open @ 5800rpm..my fren told me my final drive got prob..mayb dat siot pomen change it or wat i dont know laa..