i have a k20z3 swap in my ek and i'm getting a speed cut at 6000 every time and heres my set up.
type s throttle body
short ram intake
everything else is stock i am not running kpro at the moment i'm running a PRC ecu
also do not have vss hooked up
fuel pressure is at 54
i have the primary 02 but i don't have the secondary.
car idles at 1400 after warming up