Hi,
After having run my Vortech V-3 for about 1 year, I'm getting a bit bored of the noise of the off-boost air escaping from the BOV. The BOV came with the tuner kit.
Has anyone that has fitted this supercharger, devised a route that this unused air can be returned into the supercharger inlet after the air filter?
There are many factory fitted SC's that are quiet off-boost. I presume the air is recirculated.
On my set-up I have a large K & N filter mounted above the intercooler, piped through the hole in the front slam panel. I might be able to tee into the short 90mm dia. pipe after filter but unsure just how big this return pipe would need be. I think that 45mm dia. silicone hose would go over BOV outlet (which is oval).
Any advice would be appreciated.
Dave

 

Do this, it will knock out 50%-70% of the sound!

Inside the small K&N filter, glue 1/4 inch thick medium Dense foam.

This works great, had in on my car for 15 years....

TimRod

 

Hey Tim, thinking this needs to be the "Open cell" style so it breathes, correct? IIRC "Closed cell" style is waterproof (so air proof also...)

 

Yep, Medium Dense Open Cell 1/4 think Black Foam is what I used

It need to Breath.

 

Tim,
Thanks for reply. I tried the small air filter idea but the noise was not really reduced. I'll try again with the open cell foam insert.
I see you have a serrated drive belt for extra friction to stop slipping.
I have a more drastic solution- a 10-groove drive belt! I machined a new set of pulleys, guide rollers and tension roller to suit. Challenge was to modify power steering pulley by bolting an aluminium blank to front of existing pulley (after dis-assembling pump), I then machined the additional 4 grooves in the aluminium in line with existing grooves. Finally 10-groove Vortech SC drive pulley.
Result, lower belt tension (load on alternator bearings etc.) with no slipping.
Dave

 

That's an Old Pic, I use a Gates Green Back HD Belt

Great Job on the 10 Rib......

This is my solution for belt slip, a TimRod Radius Rod, It's held so far to 32 psi on my friends car.

 

Wish it wasn’t so difficult to quiet down a Tial Q 50mm. Can’t hear drone, road noise, exhaust, or wind but I can sure as hell hear the air dumping from the BOV.

 

It's amazing right.....

 

Amazing when you wanna drive up sounding like an air field.

 

I will say that when I'm in parking lots I don't have to worry about people walking in the middle of the drive way not paying attention.