Are blow-off valve's required for VR30?? (Answered)

[Thefunk]

I was at a wheel shop recently and someone there who has a Q50 and a VR30 said that because of the way the engine was designed blow off valves are good for the engine. Can anyone verify this?

 

[Thefunk]

Nevermind I found an existing thread regarding this topic
https://www.nissanzclub.com/forum/threads/blow-off-valves-good-or-bad-for-our-vr30.2750/