Hey guys, this weekend I installed a godspeed ssq bov to replace my turboxs one. It took a bit of work to get the ssq and piping to fit on my gtu since it was off a rsx but a few cuts and it fits to the stock tmic perfectly. After taking it out for a run I noticed that in the higher RPM range, past 6.5, there is a flutter noise coming from the turbo. After a bit of searching I cant tell if its surge or the wastegate fluttering. Everything I have read so far says both of these happen in the lower range. What initially caused me to think it was surge is I can feel air being blown back up the cai. Anyone know of how to test which it is? Any help is apprieciated

 

Stock s5 turbo if it matters

 

What exactly do you mean by a flutter? Is it a high pitched whistling of oscillating frequency? Does it occur under throttle or when you let off? Can you take a video?

 

It kind of a muffled chopped flutter which lead me to belive surge but ill talk a vid in the morning, and its when I let off the gas

 

If its when you let off the gas, it is most likely compressor surge. The only good thing godspeed makes is their Radiators :-)

 

The noisewont come up in the video, ill try and get a better camera. Ya I knew it was probly crap but my turboxs got ran over by an eclipse, this is hopfully just a temp thing

 

if you changed the BOV and all of a sudden you hear a flutter, most likely its surging.

 

Well maybe I can fix my other with some pliers and a hammer, at least untill I can buy an rfl

 

I managed to open my turboxs outlet back up and replace the vacuum piece and guess what...no flutter! So any one down for a discounted ssqv? Haha