Turbosmart Dualport or HKS BOV?

[speeddemon]

Im interested in replacing the plastic piece of crap bpv on my car but not sure which is better.. which is better?

[NJSPEED3]

i own both and i like the hks better! not to mention cheaper boost feels like it comes on stronger!

[aaronc7]

turbosmart - - im selling one!

[NJSPEED3]

so am lol no thread yet though mine is the tb dual port one

[xcoldricex]

had the ts, changed to hks. hks's sound is addicting.

[NJSPEED3]

+1

[speeddemon]

is there a big difference in cost between the two... i know the HKS is for like $300 on the CP-E site that comes with their own flange.

[Spoolme]

I've had zero problems with the TS bov. It's been on the car for over a year now, just converted to a FMIC and have it on there now.

[speedms6]

hksssss

[MSMS3]

I like the "plastic piece of crap" stock BPV. 28,000 miles. 40-100 mph in 12.5 seconds with mods below. 13.4 quarters at 107. Damn thing just won't leak. My manual boost gauge shows spikes to 20-21 psi with quick return to 17 sometimes 18 psi and hold steady right up to 5,500 shift point.

Way to many people believe the stock BPV is somehow not good. Ask Grassroots Motorsports Magazine if it leaks. They compared it to the Forge and depending on how you set up the Forge and if and only if you granny shift, the Forge permits faster recovery of boost after those granny shifts, but once the ECU stops playing nanny and you get into third gear the stock BPV actually held boost a pound to almost two pounds better than the Forge.

Not too bad for a plastic POS that just does its job without shouting out "look at me" by the way it sounds.

Just one opinion based on purely objective data.

[ms3077]

Yeah I believe some ppl are delusional when they make claims of an after market BOV is so much better than the stock "POS". I think they're getting fooled by the cool sounds and call the stock one a "piece of shit" because it's made of plastic and doesn't look as pretty as an after market piece. I have a the turbosmart compact dual port and like it but I still don’t think the stock BPV is a POS.

Soon I’ll do some data logging to try and find out just how much of an improvement the turbosmart is over the stock bpv. So far just from my senses I believe the turbosmart recovers a bit faster between shifts and might hold a little better but we’ll see. Personally I think it’s more about the bling factor and how it sounds. I defiantely wouldn’t recommend one for the person on a tight budget as there all better bang for you buck modifications like an intake, test pipe, etc.

[IshiKage]

Originally Posted by speeddemon is there a big difference in cost between the two... i know the HKS is for like $300 on the CP-E site that comes with their own flange.

buy usedand i vote HKS

[evo2ms3]

I have tons of logs showing my stocker holding 18psi+ all the way. It never really gave me a problem, I just couldnt trust it after my pos plastic one on the evo. I love the HKS sound in recirc though! Never gets old.

[matsuda]

Originally Posted by speeddemon Im interested in replacing the plastic piece of crap bpv on my car but not sure which is better.. which is better?

Who told you that it was a piece of crap?
I (and many others) don't have any problems with the BPV.
In fact, I have read more than one post where someone solved a problem by replacing their aftermarket BPV with the OEM one.

If you don't like plastic valves, you'll need to replace a lot more than just the BPV.

[IshiKage]

i dont know why people are getting their panties in a bunch over people calling the "plastic pos bpv" a pos...it is a piece of shit.

i changed mine out right away b/c i didnt want to worry about it leaking and i wanted better sound as well as better performance/function

[ms3077]

Originally Posted by 240mazspd3 i dont know why people are getting their panties in a bunch over people calling the "plastic pos bpv" a pos...it is a piece of shit. i changed mine out right away b/c i didnt want to worry about it leaking and i wanted better sound as well as better performance/function

Zack,

That's because it's not a "POS." Being made of plastic doesn't make it a "POS". If it functions the way it should it's a good piece. Perhaps some have experienced their stock valve leaking but for the most part it seems they’re holding up and performing just fine.

Trust me, I like the sound and how a good after market bov/bpv looks under the hood but the general consensus is that it doesn’t give a substantial increase in performance vs. the stock bpv.

If the stock BPV is a “POS” by your definition then there’s a whole lot of “POS” in this car. If the stock valve didn’t hold boost and perform the way it should then sure by all means call it a POS but this isn’t the case.

If you could provide some hard evidence to support your claim that the stock BPV is in fact a “POS” I’m all ears. Otherwise, you're just spreading bum scoop.

[IshiKage]

dont get me wrong. i didnt get an aftermarket bov for "added performance." i got one b/c i wanted to make sure my bpv was holding pressure and doing its job...thats what i meant when i said

better performance/function.

eventually the stocker will leak, so instead of waiting for it to do so, i went ahead a upgraded it.

thats why i refered to it as a "pos." i know it works, its just a matter of time before it stops working properly

[darth vader]

We've all been on this merry-go-round before. It's not fair to say the stock valve leaks w/o data to back it up. Nor is it fair to claim the stocker "holds more boost" when, there are likely alot of uneliminated variables that can affect that, even on the same car, same day.

The problem I have with plastic pieces is that, over time, they become inconsistent in performance, as the plastic degrades and they are not tuneable. Ask any 1996 4.6 litre Ford owner how much they love plastic. Aftermarket metal valves, like Forge, HKS, TS or WHY, will probably last as long as the car, at the expense of needing a touch of periodic maintenance.

I have seen NO difference in held ultimate boost level with either a stocker or Forge. The car's no question more pleasant to drive with the Forge. The primary induction noise I hear is intake and the noise of the BPV is actually about the same, Forge v. stock. No pings, coins, swords or phased plasma rifle in the 40 watt range sounds. The intake made the BPV sound loud first, not vice versa.

Either way, if performance is at issue, as it was for me, change it out, it's only money. If it isn't, drive on and be happy.

[speeddemon]

Is the HKS a better BOV than the turbosmart dualport? the HKS is obviously a full recirc, the turbo smart can run full recirc or 50/50. Im not sure if the stocker is a full recirc or its a 50/50

[IshiKage]

wrong. the HKS is a 50/50 too

[OMGWTFHAX]

I dont know if the stock BOV is shit or not but I do like the sound of my HKS over the stock.

Originally Posted by 240mazspd3 wrong. the HKS is a 50/50 too

Where can the HKS vta if setup up for recirc? I think you might need to check your facts because I cant see how it would be able to vta unless it was setup for it.

[IshiKage]

it vtas from the same outlet the recirc fitting is sitting. just dont attached the recirc hose.

and i need to correct myself. i didnt mean to say its 50/50. i meant to say is runs almost like a 50/50. i have a couple friends with MS3's running their SQVV's VTA and dont have any probs stalling. i tried running my Type S in VTA and the car wants to stall immediately, pops violently and runs liek shit. theirs dont

[OMGWTFHAX]

Originally Posted by 240mazspd3 it vtas from the same outlet the recirc fitting is sitting. just dont attached the recirc hose. and i need to correct myself. i didnt mean to say its 50/50. i meant to say is runs almost like a 50/50. i have a couple friends with MS3's running their SQVV's VTA and dont have any probs stalling. i tried running my Type S in VTA and the car wants to stall immediately, pops violently and runs liek shit. theirs dont

Thats what Im saying, if its set up for recirculation (IE recirc hose attached) then it physically cant vta.

How's it run almost like a 50/50? Its either full recirculation, or full vent to atmosphere.

[ms3077]

Got this info from Street Units site in ref to the TurboSmart BOV

Benefits of the TurboSmart BOV Kit over ALL other BOV kits:

•Recirculates under light boost/normal daily driving conditions

•VTA and recirculates under high boost conditions or compression surge

•BOV spring rate is tunable to the vacuum of your car

•No stalling or backfiring when adjusted properly

•3 in 1 BOV: VTA in tandem with Recirculation (recommended), 100% Vent to Atmosphere, or 100% Recirculation

•Holds more boost over stock valve

•Increases drivability and responsiveness

•Get the BOV sound of a VTA setup with all the benefits of a recirculation setup

•Recirculation helps maintain proper A/F Ratios

•Gain Top End Horsepower

-I've had mine installed for just about 1 week and I'm really liking it!

[IshiKage]

Originally Posted by OMGWTFHAX Thats what Im saying, if its set up for recirculation (IE recirc hose attached) then it physically cant vta. How's it run almost like a 50/50? Its either full recirculation, or full vent to atmosphere.

it can physically VTA. its not rocket science. IE DONT attach the recirc hose and its running VTA. its not that hard

and read what i said about how its runs like a 50/50. running 50/50 keeps the car from popping, bucking and stalling. a couple of the MS3 guys here in orlando with HKSs are running VTA and have none of these probs. when i try running my Type S vta. the car pops violently, bucks like a stallion, stalls like crazy, and exhaust smells terrible

here is a pic. see the black recirc hose? ok, disconnect it and the bov is now running VTA.

[OMGWTFHAX]

Originally Posted by 240mazspd3 it can physically VTA. its not rocket science. IE DONT attach the recirc hose and its running VTA. its not that hard and read what i said about how its runs like a 50/50. running 50/50 keeps the car from popping, bucking and stalling. a couple of the MS3 guys here in orlando with HKSs are running VTA and have none of these probs. when i try running my Type S vta. the car pops violently, bucks like a stallion, stalls like crazy, and exhaust smells terrible here is a pic. see the black recirc hose? ok, disconnect it and the bov is now running VTA.

Youre seriously fucking retarded. Ive been saying this whole time if it's set up for recirc, IE the recirc hose is connected, then it cant VTA. If you dont have the hose on there, then yes it will VTA. Go back and read my posts slowly, and work on your reading comprehension. You keep acting like Im wrong but you repeat EXACTLY what Ive been saying.

[IshiKage]

again, the confusion came into play when i said the hks is 50/50. then i said i needed to correct my self, that i didnt mean to say the HKS was 50/50, rather that it performs almost like a 50/50 being that i have a couple friends running in VTA(on their MS3s) but their cars do not stall, pop, buck or smell. the way mine does when i try running VTA. the Type S doesnt functions as well as the HKS when running VTA

so i apologize. i assumed you were confused on recirc'ing and vta'ing. and didnt think the HKS could run VTA at all

[OMGWTFHAX]

Im honestly surprised you didnt explain to me the difference between setting up for VTA and setting up for recric again.

[IshiKage]

i eventually would have b/c i assumed you were confused on recirc, vta and thinking the hks couldnt vta at all.

so that was my bad

[BoostedBlack6]

I have the Cobb XLE and it is nice. I have had both and prefer the Turbosmart above everything I have had. Wish I hadn't sold mine but I like my Cobb as well. Plus it iz the rareness.

[IshiKage]

by the way OMG,

how loud is your HKS in recirc. i havent heard one run in recirc yet

[OMGWTFHAX]

Its pretty loud. You can really hear it on the outside even in recirc. I can hear every little thing on the inside though because I have the cobb fmic, cobb inlet, and aem intake. Shit amplifies every noise. Its great.

[speeddemon]

But if you would run the HKS or any other BOV in VTA, arent you losing power? Running VTA makes a great sound but id rather make more power than to have a nice sound.

[OMGWTFHAX]

You dont make anymore power with a new BOV, no matter how you look at it.

[speeddemon]

ok, i have just been hearing all this crap how the plastic stock one leaks and will hold more power with a better quality bov only in full recirc.

[OMGWTFHAX]

Originally Posted by speeddemon ok, i have just been hearing all this crap how the plastic stock one leaks and will hold more power with a better quality bov only in full recirc.

Look, get a new BOV if you know that yours is leaking. If you arent sure if yours is leaking, then just say youre getting one because you want a cool sound when you shift.

You'll find just as many posts saying the stock BOV is good as you will saying its bad. In the end, its your money and you know what you want or need.

[speeddemon]

Im not sure if its bad or not. this is my first turbo car so all this is new to me. Im still learning so dont get upset because some things dont make sense

[ganque]

i have a question.
How is the best way to tune the Turbosmart BPV? I've read that the key is the noises and backfire, but:
a) What kind of noises are those? (vids?)
b) Do i have to do the tests while running the car or stopped completely?

[OMGWTFHAX]

Originally Posted by speeddemon Im not sure if its bad or not. this is my first turbo car so all this is new to me. Im still learning so dont get upset because some things dont make sense

Who's upset?

[IshiKage]

Originally Posted by speeddemon Im not sure if its bad or not. this is my first turbo car so all this is new to me. Im still learning so dont get upset because some things dont make sense

the way you tell is to get a boost gauge in you car so see if your bpv is holding stock-target boost levels.

if you see that it is isnt. make sure all couplers are tight then check again. if they are, its probably the stocker leaking.

Originally Posted by OMGWTFHAX Its pretty loud. You can really hear it on the outside even in recirc. I can hear every little thing on the inside though because I have the cobb fmic, cobb inlet, and aem intake. Shit amplifies every noise. Its great.

there wasnt a change in sound when you added FMIC? once i installed my front mount, my Greddy Type S doesnt have that "type s" sound anymore.

but, the sound is close when shifting under full boost with the FMIC and like whooshing air under reg boost. on the other hand, when i had my stock TMIC, the type s made that "type s" sound under reg boost but whooshing air sound under fulll boost. WTF?

but i want to get a HKS, since Type S's have diaphragms whicch leak, eventually