Quote Originally Posted by bodaas View Post
as far as i understand vtec start operate from certain rpm, i m not sure your FD1
but looks like all vtec engine the same,

fn2R start at 5k rpm up, thats when vtec operate and you can feel kick in power,. Below that its like drive normal car
The FN2R and the FD2 have a different system. On the FD1 Vtec is on under 3500rpm under light load conditions which are determined by the computer. If certain conditions are not met to the satisfaction of the computer Vtec does not operate