What's new

Compressor surge

Wing Nut2

New member
Joined
Jul 7, 2026
Messages
16
Reaction score
10
Location
Grand Junction Colorado
Ok so I want to talk about the angry chipmunk that sounds off while the engine is not under load. I have purchased an EVP blow off valve thinking that is would improve the decibel or frequency levels. I ride all types of terrain in western Colorado so wide open is not always an option.
Understanding now that compressor surge is the nature of the beast I have looked elsewhere to simmer down that angry little dude. I ran a test where I blocked off the inside of intake. This helped quite a bit. With this knowledge relocating the source of the chirp is the only possible solution as I see it. These are the 3 possible solutions I came up with. I would love to hear what you all come up with.
1 RPM makes an under the fender cold air intake with an S&B filter.
2 Wait for S&B to come out with an under the fender Particle separator. (This is my choice) I have contacted them and they said they need to see more of a demand before designing. If you like this option reach out to them like I have.
3. Wear headsets. I love my Rugged radios and they cut out the sound wonderfully but I dont always want to wear them.

I hope this helps someone as well as I hope S&B gets their $#&% together and designs a particle separator like the MAV R and the PRO R
7840.webp
 
You will likely never find a solution to quiet down the supercharger chirp. Helmet or Headsets are really the options. Imagine how that super charger sounds in the 2 seater.
 
I just drive it and don't even think about it. As long as the sounds remain the same then it is of no concern. Just normal engine noise. Very strange that anyone would complain about engine noise in an off road vehicle.
 
To each there own. I have owned many offroad vehicles as well as driven all but the Segway. Normal engine noise is great. To me the flutter gets annoying after awhile. The blow off loud chirp is great and I love that part. I simple shared some solutions that will lower the volume level in the cab from the flutter.
 
Did you try adjusting the evo blow off valve to increase pressure. That did help. You can even get the stiffer spring they have
 
Back
Top