Nissan 370Z Forum - View Single Post - Do blow off valves need to be cleaned on S/C car?

shawnberry45 · 10-26-2022, 06:55 PM

Glad I saw this post, having this issue with my SI upgrade. Which color spring is 3psi? Might have to do this ungrade. Getting fluttering between 2500-2900 rpm under acceleration. Performance is fantastic just an irritating noise in that rpm range

10-26-2022, 06:55 PM	#29 (permalink)
shawnberry45 Base Member Join Date: Jul 2012 Location: Chicago, IL Posts: 65 Drives: G37 Rep Power: 13	Glad I saw this post, having this issue with my SI upgrade. Which color spring is 3psi? Might have to do this ungrade. Getting fluttering between 2500-2900 rpm under acceleration. Performance is fantastic just an irritating noise in that rpm range