Blow off valve types

Crucible · Post by **Crucible** » Sat Mar 04, 2006 5:16 pm

Ok time to buy a BOV for my gte setup, not at all interested in the (look at me everybody) pssssssttt or "loud" fluttering type valves just something that is fairly good quality and lets you know its opening with out too much attention seeking. I quite like the sound that bovs give off on some big trucks, sounds sort of like "booooooooh", if you know what I mean?? :roll:

Is there a bov brand out there that sounds familiar to this or??? quessing someone here is bound to know

cheers in adv :lol:

Meadzy · Post by **Meadzy** » Sat Mar 04, 2006 5:36 pm

get a sequential bov that makes a little squeak, not too loud

Akane · Post by **Akane** » Sat Mar 04, 2006 5:40 pm

rofl, my stock MR2 vented back into the air intake makes a "FOHHHH" sound.

under cruise it makes a SHUUUUUUUU sound
boosting SHUUUUUU-HISSSSSSSSSSS
low boost FOHHHH
big boost FU-OHHH

(ok this is getting weird)

Crucible · Post by **Crucible** » Sat Mar 04, 2006 5:56 pm

Meadzy wrote:get a sequential bov that makes a little squeak, not too loud

Are these the "HKS super sequential types" that are on trade me?

Akane wrote: (ok this is getting weird)

Yeah haha, It is hard to explain what they sound like by text, but Im not really too interested in chasing the Evo that drives past to ask him what type of BOV he has hahaha :lol:

tnt

Fred · Post by **Fred** » Sat Mar 04, 2006 11:11 pm

wats ya email pm me got a soundclip of ssqv type bov if ur keen

Meadzy · Post by **Meadzy** » Sun Mar 05, 2006 8:37 am

yer my brother had one on his red gtx, they are quite loud when you hit boost hard, you drive past and people are like what the f**k!!, sounds wicked but probly too loud for what you want

sergei · Post by **sergei** » Sun Mar 05, 2006 9:20 am

I got a SSQV, a VERY LOUD valve! I modified it, made sprign way harder, so it only opens when under high boost, other wise it was wenting out too much air, and was very loud every time I shifted or dropped the gas, also fuel aconomy got better as it is not wenting as much air out, just enough not to stall compressor at high boost. I still get za-ta-ta sound on low boost from turbo, but I get loud whistly ZSAA-TAA-ta-ta sound from bov coming off high boost.

Ako · Post by **Ako** » Mon Mar 06, 2006 9:09 am

I want one that goes "Bling!" everytime I let off the throttle

Or maybe one which meows or something

so many possibilities

johntramp · Post by **johntramp** » Mon Mar 06, 2006 10:44 am

Akane wrote:under cruise it makes a SHUUUUUUUU sound
boosting SHUUUUUU-HISSSSSSSSSSS
low boost FOHHHH
big boost FU-OHHH

lol

StuartM · Post by **StuartM** » Mon Mar 06, 2006 10:53 am

afaik a good blow off valve would operate quickly and quietly, possibly venting the air back into the airbox/intake[/b]

~SlideWays~ · Post by **~SlideWays~** » Mon Mar 06, 2006 12:36 pm

StuartM wrote:afaik a good blow off valve would operate quickly and quietly, possibly venting the air back into the airbox/intake[/b]

Read: Plumback.

CaM · Post by **CaM** » Mon Mar 06, 2006 12:56 pm

True-No-Turbo wrote:Ok time to buy a BOV for my gte setup, not at all interested in the (look at me everybody) pssssssttt or "loud" fluttering type valves just something that is fairly good quality and lets you know its opening with out too much attention seeking. I quite like the sound that bovs give off on some big trucks, sounds sort of like "booooooooh", if you know what I mean??

Is there a bov brand out there that sounds familiar to this or??? quessing someone here is bound to know

cheers in adv

plumb back for sure. probably the only way to keep it quiet.
FYI the bov sound on trucks is the sound of the turbo thru the exhaust, with no load on it, nothing to do with BOV's or anything. my diesel van does the same thing without the exhaust..

vvega · Post by **vvega** » Mon Mar 06, 2006 1:42 pm

normally the flutter that you hear is compressure surge
get a mr2 one plumb it back and you have a good bov that wont leack and offers the best preformance your gunna get relistically

v

Crucible · Post by **Crucible** » Mon Mar 06, 2006 5:31 pm

CaM wrote: plumb back for sure. probably the only way to keep it quiet.

vvega wrote:get a mr2 one plumb it back and you have a good bov that wont leack and offers the best preformance your gunna get relistically
v

Thanks for the advice, plumbback I think is the go for me, any idea what psi an Mr2 one is good for v ?? :lol:

Mr. Mainstream · Post by **Mr. Mainstream** » Mon Mar 06, 2006 5:50 pm

HKS SQQ = best skank whistle EVER

barryogen · Post by **barryogen** » Tue Mar 07, 2006 6:58 am

Ako wrote:I want one that goes "Bling!" everytime I let off the throttle

Or maybe one which meows or something

I've heard a plug in "turbo sounder" type thing that worked on vacuum pressure or something, but the guy had modified it to sound like a chicken.

so you got "normal" sounding turbo pressure build up, change gear and b-gerk... scared the sh|t out of people.

Akane · Post by **Akane** » Tue Mar 07, 2006 8:18 am

True-No-Turbo wrote:Thanks for the advice, plumbback I think is the go for me, any idea what psi an Mr2 one is good for v ??

Hi, I'm V's sidekick so I'll answer that for him.

The MR2 one is good for very high HP, there are yanks in the states who are still using them on 500hp+ cars.

you HAVE to have it as plumback because it sucks air in during offboost (called a bypass valve), this is a function which bypasses air going into the turbo during cruise to maximise response and fuel economy (questionable).

Inane · Post by **Inane** » Tue Mar 07, 2006 9:50 am

My caldina one works well, leaks over about 20 psi though, much quieter than my type III

I want to get the sort of BOV a mate I had in aus had on his VL turbo (rb30det)

it had a number of whistle pieces around it, was sort of like a type three, as it released it would wolf whistle...

lol adds a whole new meaning to "skank whistle"

Toyspeed

Blow off valve types

Blow off valve types

Re: Blow off valve types