How Does Your Blow-off Sound?
 

Hey I know alot of miatas are running type -s greddy bv's , But i've never heard one on a miata in person...how does it sound..And how do you like your bv on your miata, its a free for all so voice your oppinions, I want to hear em :bigtu:

Greddy Type-S Recirculated

https://www.miataturbo.net/forums/sh...1&postcount=48

Although I played a little with the tension yesterday and I got it to sound more like a whoooosh. Similar to "Whoosh on the Track" on the FM TV page. http://www.flyinmiata.com/video/index.php?no=2

Turbosmart supersonic,it sounds like the air brakes going off on a semi truck.

Omg I love the sound , Thats how mine is going to sound....sweeet deal, Im using to same exact bv...love it love it love it :bowdown:

hahaha.

Gotta love rev's miata, absoulutly sick sleeper looking miata, You have any video of the car in action?:bigtu:

yeah:

https://www.miataturbo.net/forums/sh...48&postcount=7


there should be a butt-load of autox vids posted around here as well.

Damn that mustang was flying....

Absoulutly kick ass, watched the whole thing..Love the bv sound, Your exhaust is sure a hell of alot quieter than mine thats for sure.

It was a Cobra with a Bell supercharger!!!! It was insanely fast, so was the Blue Evo, even that civic hatchback with the engine swap!

yeah I got five comments that day that I have a ghost car....you saw it haul ass but you couldn't hear it one bit. I had a 2.5" DP, 2.5" high flow cat, to a 2.25" Borla Dual exhaust. It has a good note, it's just not loud.

I was thinking about a 2.5 inch down pipe leading into 2.5 inch exhuast into a dynomax turbo muffler, kinda like a factory look , then have a 2.5 pipe leading out the back. :bigtu:

I have the type-s on my turbo with both lines hooked up. It gives an insanely loud whistle when it lifts. Put it like this, you don't hear my exhaust when I am blocks away - you hear my BOV. Definitely the loudest at any auto-x that I have heard. I pulled the 2nd hose off it once and it lost all the volume. I only ran like that for a few minutes before I hooked it back up because I missed the sound.

hmmm I gotta try it with the 2nd port plugged in...I only ran it that way when it was VTA, it held it closed pretty good that way.

since you're interested in the greddy type s bov.......

http://www.members.aol.com/jdmsamx/greddybovmsp.mpg
http://www.crazytuning.com/catalog/v...reddyTypeS.avi

Sounds about right! I've been driving around more today and noticed that I tightened it too much, so back to chirping I go.

Hmmm...I don't know why , But I really enjoy that sound the type-s bv makes, always wanted one since the need for speed underground 2 game came out, well I finally got my hands on one for my car , hurray

I have the HKS SSQv and it is by far the best sounding!

yeah i've always liked the greddy type s. i used to like the HKS ssqv but so many people run it so i kinda lost the interest. ill see though.

I just tried it out....It made the BOV flutter like crazy.

any clips of the HKS? and where did you gys get a legit Type S? All I see are ebay knockoffs, or is that what you are running?

i know tabs604 had a vid up of him going through the tunnel with the hks ssqv, but cant find it. i have it saved to my computer though

I run a real Type S. It came on a partial kit I bought so I can't help you there BUT I see them for sale on about half the turbo dealer websites I run across.

what source do you hook up the 2nd port to????? I've never seen one hooked up with both ports ?!?!? My type-s is using only 1 port and it's pretty loud as is....

My top port is hooked to the vac nipple downstream of the throttle body and the bottom port is hooked to the compressor housing. I would say the volume increases 5-10X when hooking it up like that, at least on my system.

I bought mine used from a eclipse owner, I would'nt be caught dead putting knock-off shit in my car, I rather buy good used name brand stuff.:bigtu:

thought id revive this thread.

Am bored of my HKS SSQV. Have bidded on a genuine greddy type s as it sounds simply devine.

Heres hoping i win the auction and have put in a pretty high max bid so got a good chance.

Is there a database of bov sounds anywhere on the net? I'm pretty happy with my Bailey, it lets off an easy wsssshhh! sound.

Here's what my Bailey sounds like

http://www.youtube.com/watch?v=mkVFQjTeYHY

You can hear my Greddy Type-S here:

http://www.youtube.com/watch?v=2Fr4pnd2I54

Wow.

Those of your using the Greddy (or clone) valves- are you running both springs, or only one?

I removed my ailing FM BOV a few months ago and installed one of the knockoff Greddy type valves. I opened it up and removed the smaller spring, and while it is VTA I removed the horn and machined an adapter to put a small K&N filter on the exhaust port.

My goal was to get my valve as quiet as possible and it sounds nothing like the clips y'all have posted. No whistle at all, just a whoosh of air. Sort of like a quiet fart if I had to describe it. I wish I had a portable recorder I could use to take a clip of it...

I really like the forge motorsports one that I got from PAT. The sound is truly amazing and the price is definately right.

if you want quiet, get a begi surge valve to recirculate in front of turbo, i'm goin that way just because its cheap:bigtu: