ok wuzz up guys.... suns comming up iam on my way to work and iam just getting on expressway down here in miami florida just as iam merging i see a h/b 2003 si and i get to steppin. wow this b18c1 can do its thing. i have never top end it but i think i did today you see i did nt get to see on guages that precise moment but they came a time in 5th gear where it like came to its end is this like a governor or some safety thing so the engine dont blow ? you couldnt rev it anymore for about a second or to till the rpms dropped again then it was all fine its this like its final point