Quote Originally Posted by Vteckidd View Post
What cams is it running. Where is vtec set. Where is vtec disengage at?

First I'd switch to a standard primary header and do a pull see if it ravens out. If it doesn't adjust vtec...then can gears

Dips usually caused by can center lines, vtec engagement, a/f ratio, header primary size, etc.

Too many factors
Well there you go!! Pro 3 cam, vtec now at 7k with no dip!!