What kind of BOV are you running?

[rjs_speed3]

Just wanted to know what types of "safe" BOV are out there and available for our cars..

I spoke to a Mazda specialist over the phone, and he told me that if i were to upgrade my BOV, it might create an overboost of some sort..

He stated that our factory BOV was designed to slightly leak.. to prevent an overboost..

Im not too sure if this is true, but if it is, what are the types of aftermarket BOVs that are safe to use on our cars??

THANKS!!!

Peace,
RJ

[subparpunk03]

There are two different ways of running a blow off valve or recirculation valve:

Vent to atmosphere - excess air is purged from the system

Recirculation - excess air is transferred back into the system after the MAF.

The stock system is set to run in recirculation mode, this means that any air that is measured by the MAF, once it enters the intake system stays there. Venting to atmosphere will allow air that has already been measured to exit the system, resulting in incorrect amounts of fuel to be injected.

You can make most valves run in recirculation. The forge motorsport BPV came highly reccomended by some members. The HKS system is supposedly high quality as well.

There are numerous posts on this subject.

[Craighjr]

Just wanted to know what types of "safe" BOV are out there and available for our cars..

I spoke to a Mazda specialist over the phone, and he told me that if i were to upgrade my BOV, it might create an overboost of some sort..

He stated that our factory BOV was designed to slightly leak.. to prevent an overboost..

Im not too sure if this is true, but if it is, what are the types of aftermarket BOVs that are safe to use on our cars??

THANKS!!!

Peace,
RJ

The factory valve is cheap plastic. Don't quote me as I have not tested it yet (true on Subaru) but I believe the pin hole next to the valve on the pressure side does allow boost into the valve to begin opening it while building boost. (Edit: confirmed this is true on our speed's today) An aftermarket bov will hold more boost and not open premautrely but not allow the car to over boost as best as I have experianced. The theory your mechanic mazda guy stated is logical but I don't think its true.

[rjs_speed3]

So it's between the Forged Motorsports BPV or the HKS SSQV??

Does any of these systems create some sort of a surge??

[neox.286]

Im running the HKS SSQV and am completely happy with it

if your planning on putting in a BOV Im assuming your going to put in harpipes too? cause you kinda have to

well, if your gonna do that then BE SURE to relocate your MAF sensor to the throttle body intake pipe (the one running boosted air...I cant recall its correct name at the moment)

I know some people say otherwise but when I did it I noticed a HUGE difference in how my car pulled...it no longer had as significant of a 'hesistation' throughout the powerband and it drove all-together better cause of that

basically you should have on your hardpipes from intake filter to car for the relocated setup:
Filter->Turbo->intercooler->BOV->MAF->Throttle body

if your not planning on relocating it then run recirculative, if you do relocate (which I highly recommend) then just run vent to atmosphere...it wont make a difference in that case


as far as a surge, yea it will surge a little but we are talking less than 2 PSI....youll be running around 6 pounds stock, but when you accelerate hard it will jump up to around 7 or 7 and then immediately fall back to 6....not an issue at all, nothing to be worried about...I would only be worried if your car goes over 10 psi

[tru-boost]

forge... love it

[subparpunk03]

Im running the HKS SSQV and am completely happy with it

if your planning on putting in a BOV Im assuming your going to put in harpipes too? cause you kinda have to

well, if your gonna do that then BE SURE to relocate your MAF sensor to the throttle body intake pipe (the one running boosted air...I cant recall its correct name at the moment)

I know some people say otherwise but when I did it I noticed a HUGE difference in how my car pulled...it no longer had as significant of a 'hesistation' throughout the powerband and it drove all-together better cause of that

basically you should have on your hardpipes from intake filter to car for the relocated setup:
Filter->Turbo->intercooler->BOV->MAF->Throttle body

if your not planning on relocating it then run recirculative, if you do relocate (which I highly recommend) then just run vent to atmosphere...it wont make a difference in that case


as far as a surge, yea it will surge a little but we are talking less than 2 PSI....youll be running around 6 pounds stock, but when you accelerate hard it will jump up to around 7 or 7 and then immediately fall back to 6....not an issue at all, nothing to be worried about...I would only be worried if your car goes over 10 psi

In general having the MAF closer to the throttle body will give more accurate readings, however I don't know how easy it would be to put it closer to the TB because of the way we're setup, I'd leave your MAF right where it is. Also, the BOV is connected to a hard pipe, if you moved your MAF to after the BOV then you'd have to drill a bunch of holes in that pipe, which IMO is just not worth it.

The topmount setup has one really nice feature, and thats the fact that we have VERY little piping after the turbo, the biggest restriction is in the air filter and intercooler.

I thought the mazdaspeed3 was running more like 15-16 psi?

The forge units are simple, and already tuned for our cars, all you have to do is screw it on.

[neox.286]

wow

I REALLY have not been paying attention today haha

I thought this was the MSP section! nevermind me...

[CaSHMeRe]

running a Turbosmart Dual Port/Hybrid BOV...

running it in full recirc however.

[clos561]

i have hks ssq in recirc

[mckraut]

Running the Forge Motorsports BPV with the blue spring. Love it, sounds great.

[serialtoon]

How loud is the HKS SSQV when compared to the stock one we have?

[knowledge007]

Ill be running VTA with mine once standback is installed and tuned...I love it.

[Craighjr]

All of the valves are alot louder than stock. HKS makes a pretty lame woosh when ran in recirculation.

[clos561]

yea but after you get a tuning solution you can run vta right? like knowledge said..

[serialtoon]

yea but after you get a tuning solution you can run vta right? like knowledge said..

What do you mean by "tuning solution"? Im quite new to the turbo scene.

[clos561]

cp-e has the stand back, and xede has the piggy back...they are ecu for the motor that allow you to tune the car.

[rjs_speed3]

So HKS SSQV isn't worth it?

It should just be a bolt-on type of thing right?

[serialtoon]

cp-e has the stand back, and xede has the piggy back...they are ecu for the motor that allow you to tune the car.
I see. Now i am by far an amature at anything car related. I can install the basic bolt ons and also do spring swaps and of course, regular maintenance. What does tuning consist of? As in, what kind of knowledge would one need to know.

[silverspeed03]

I just installed the CPE's HKS kit (in recirculate) and am very pleased with it.

[rjs_speed3]

how does is sound as opposed to stock???
does it giggle?
does it sneeze?
does it woosh?

[silverspeed03]

Do you have an intake?

[BlackJack]

I just put the HKS SSQ BOV on my list. But I decided not to do the recirc. Bad thing to do or?

[CaSHMeRe]

I just put the HKS SSQ BOV on my list. But I decided not to do the recirc. Bad thing to do or?

do full recirc until you get a tuning application (ie: cobb ap, cpe standback, etc...)

[silverspeed03]

I just put the HKS SSQ BOV on my list. But I decided not to do the recirc. Bad thing to do or?

It's a good idea to recirc. because we have a MAF. VTA will cause hesitation issues

[rjs_speed3]

i have a Mazdaspeed CAI, what is the best BOV to run????

[CaSHMeRe]

It's a good idea to recirc. because we have a MAF. VTA will cause hesitation issues

close....lol

running VTA or any there part of (ie: hybrid bov's...) will cause your to run rich inbetween shifts. in some cases, there is a slight hesitation, in other no.

(drinks)

[CaSHMeRe]

i have a Mazdaspeed CAI, what is the best BOV to run????

the one you pick is the best one to go with ...

if you are planning only basic mods, the stock bpv will do just fine

[aaronc7]

Hey Cashmere, how bad is the hesitation between shifts with the SU Bov in dual port mode? You only get some VTA with high boost right?

[CaSHMeRe]

there is no hesitation between shifts. you get a slightly noticeable backfire every once in a while, while the ecu is closed loop. After that, runs perfectly fine.

You get VTA (50% recir/50% VTA) throughout the powerband when setup in hybrid mode. You can also set up for 100% recirc or 100% VTA.

i currently run 100% recirc

[clos561]

with hks vta you can notice the difference between shifts...it sometimes gets annoying...recirc runs so much smoother and no backfires even tho it sounds badass when this thing backfires ...its not good tho

[knowledge007]

I backfire sometimes but thats due to the 3"s... But that will stop once I install tuning solution.

[clos561]

ur gona have to splice wires right? take some pics of it installed i wanna see how noticable it is..i can prolyl get away with it at my dealer.

[Kurt07]

I just install my Forge BPV today with the yellow spring. So far, so good. Anyone else that has this BPV, is there any benefit to switching to the blue spring?

[rjs_speed3]

-What the heck are my choices for BOV's?????????????

-Are they safe to just "bolt on" w/o any extra mods????

-Out of all the choices for our cars, which one is the most aggressive sounding???

[rjs_speed3]

help??

[knowledge007]

Yes, this item is just replacing your BPV valve. THere is nothing to worry about. All you have to do is make up your mind on which you would like to purchase.

[tru-boost]

I just install my Forge BPV today with the yellow spring. So far, so good. Anyone else that has this BPV, is there any benefit to switching to the blue spring?

i prefer the blue spring. the extra tension forces the valve shut a little sooner allowing you to spool up faster after a gear change.

[ch77]

And the Forge BPV sounds super-metallic. I love it. Never enough turbo noise.

[edrive73]

-What the heck are my choices for BOV's?????????????

-Are they safe to just "bolt on" w/o any extra mods????

-Out of all the choices for our cars, which one is the most aggressive sounding???

If you want a nice loud BOV then get the Turbosmart BOV and run it in hybrid mode. You will get the sound you want and no CEL. Remember to reset your ECU when you install whichever BOV you get. The Turbosmart BOV is a direct bolt on. Just remove the old one and install the new one. It is adjusted by turning the top of the BOV, no extra springs or washers or any of that stuff. I have it and I couldn't be happier.

[Kurt07]

i prefer the blue spring. the extra tension forces the valve shut a little sooner allowing you to spool up faster after a gear change.

Thanks, I will give that a shot.


And the Forge BPV sounds super-metallic. I love it. Never enough turbo noise.

I do like how the Forge BPV sounds even with the stock airbox still in place. It should sound even better once I get my intake installed.

[CX-7owner]

The blue spring is the softest one of them all, the yellow spring is stiffer than the blue and the red the stiffest, yellow is the recommended one.

[rjs_speed3]

If you want a nice loud BOV then get the Turbosmart BOV and run it in hybrid mode. You will get the sound you want and no CEL. Remember to reset your ECU when you install whichever BOV you get. The Turbosmart BOV is a direct bolt on. Just remove the old one and install the new one. It is adjusted by turning the top of the BOV, no extra springs or washers or any of that stuff. I have it and I couldn't be happier.

resetting my ECU?!? how do i "reset" my ECU?? (sorry im still kinda noob at this stuff)

Also, is there a link someone can post so that i can hear the Turbosmart BOV?

Thanks!!!!

[CX-7owner]

take the negitive battery terminal cable off, pump the brakes 4 times, put the cable back on.

[Va6li]

take the negitive battery terminal cable off, pump the brakes 4 times, put the cable back on.

jaja!
That's a new one....:)

[CX-7owner]

It's just to make sure that the ECU is reset, not that jajaja funny.

[clos561]

take the negitive battery terminal cable off, pump the brakes 4 times, put the cable back on.

lol

[tru-boost]

The blue spring is the softest one of them all, the yellow spring is stiffer than the blue and the red the stiffest, yellow is the recommended one.

you are wrong....trust me, i did the testing for forge to get these valves set-up for the mazdas.

yellow is the softest, blue is in the middle, and red is the hardest. there is also a green spring that is way too soft for us and is not included.
here this is from forge.

http://forgemotorsport.com/content.asp?inc=product&cat=0007&product=FMDVTUN

i know it says the blue is for 23+psi but this is just an estimate. all cars are different and there are alot of factors involved.

[CX-7owner]

Oops, well still you should not use the blue one, it is too strong for our stock set ups and may cause damage.

[tru-boost]

Oops, well still you should not use the blue one, it is too strong for our stock set ups and may cause damage.

where do you get your info from ?? you cant just make things up and tell people it is fact ! i did the testing.. i worked directly with forge to make these valves. the yellow is just like stock. you will get zero benefit other than a noise maker. the stiffer blue spring will actually reduce turbo lag. it forces the valve closed quicker between shifts, and really makes a noticeable improvement. it is also 100% safe. i get no compressor surge what so ever. neither do any of the others using the blue spring.

[CX-7owner]

Please note - fitting a stronger spring into a valve will not increase boost pressure unless existing pressure is being lost. Failure to allow the valve to operate by installing a spring which is to strong may cause damage to the turbocharger.Last I checked we don't run past 20Psi. And I said may. I was not making up things, kthx.

[clos561]

some people spike at 20 but thats overboosting...

[Kurt07]

where do you get your info from ?? you cant just make things up and tell people it is fact ! i did the testing.. i worked directly with forge to make these valves. the yellow is just like stock. you will get zero benefit other than a noise maker. the stiffer blue spring will actually reduce turbo lag. it forces the valve closed quicker between shifts, and really makes a noticeable improvement. it is also 100% safe. i get no compressor surge what so ever. neither do any of the others using the blue spring.

I still need to switch over to the blue spring, but I can say this, the yellow spring is an improvement over the stock bpv.

[Kurt07]

Update:

I like the blue spring. The car feels to be more alive.

[tru-boost]

the numbers shown on the forge site are good baseline stimates ...thats all.
it is not set in stone. the rule of thumb for all bov's/bpv's is this....
you want it as tight as possible without compressor surge. this will give you the best boost holding, and fastest valve reacton possible. yellow works just fine, but blue is better !

[CX-7owner]

So why not install the red one? I've tried the Blue, it felt like stock, The guidelines would have to be pretty inaccurate to say that Yellow would leak, and Blue would not, as it says the Minimum boost is 23PSI. We Max out (stock) below 20PSI, using the Blue one is not recommended for stock engines, as from the Forge website. I like the feel of the yellow one and I am sticking to that one, It does not all add up, the stiffer spring=better response? It would have to work harder, forcing boost out faster than it should be coming out, and resisting what little boost is coming in, I'm not understanding where you are coming from.

[tru-boost]

the red one is too stiff. you will get compressor surge...at least i did.
yellow will not leak, i never said that. you will have faster spool up with the blue spring. nothing works harder, it just closes the valve shut faster. the faster it closes the faster you start building boost. just trust me.

[CX-7owner]

You said the yellow is equal to stock, stock leaks, and I experienced better response with the Yellow spring, it resists less because its softer and therefore responds better.

[tru-boost]

if by respond better you mean blow off more air, then you are correct.
but in a performance situation that is not what you want. you want it to release just enough boost to prevent comp. surge...but no too much. the softer the spring, the more boost you will vent. the more boost you vent the longer your spool up time will be. this is probably not too important for you though......you have an auto trans ! the stiffer spring will allow you to hold some boost between fast shifts, and greatly reduce your spool up time.
also the stock valve did not leak due to the spring tension. it leaked because the plastic can warp under high heat situations, and cause the piston to not seal well. i am not saying yellow is bad.. it will work fine. blue is just better.
if you dont believe me try it. this is my 5th turbo car... 2 of my previous cars i custom made my own turbo set-up. i know how this stuff works. if you dont want to take my word for it fine. did you notice all the others jumping in saying the blue works better for them ????

[Kurt07]

After a day of driving my MS3 around with the blue spring, I would say it responds better than it did with the yellow spring. Even the yellow spring is a hell of an upgrade over the stock plastic POS bpv.

[MS3katyTX]

I just installed a Turbo-XS Hybrid BOV, does anyone else have this BOV and how many washers are you running with?

[aaronc7]

Turbosmart FTW!!!

http://img178.imageshack.us/img178/5808/img1692smallig5.jpg

[mdl247]

hehe seems like on all these posts im the only one with the greddy type s. i love the s mainly cuz the stock hose fits right over the type s so you really don't need to by the recirc fitting cuz the hose goes right over the entire port where the air leaves and i still got the high pitch whistle as i would normally vta.

[CX-7owner]

Yeah, I got the Forge because the install was so easy.

[Va6li]

So are we agreeing that for the Forge BPV, the blue spring is the best one from a stock upgrade?

[CX-7owner]

So are we agreeing that for the Forge BPV, the blue spring is the best one from a stock upgrade?
For me, no, I like the Yellow spring, it feels more responsive, I suggest you try both and see what suites you best.

[tru-boost]

So are we agreeing that for the Forge BPV, the blue spring is the best one from a stock upgrade?

agreed!

[serialtoon]

I thought having a BOV was a no no on this car? Correct me if im wrong please.

[CX-7owner]

A BOV is okay, as long as it works in Hybrid mode (50 VTA 50 RECIRC). One that Completely Vents is a no no, BOV's can be 100% RECIRC too.

[clos561]

you cant run vta untill you tune the car....recirc is best, 50/50 is ok

[Adammazda06]

ordered forge bpv today. i have the turbosmart now, and just can't put up with the burps from the exhaust. might be in the market place later in the week.

[aaronc7]

ordered forge bpv today. i have the turbosmart now, and just can't put up with the burps from the exhaust. might be in the market place later in the week.

did you try tightening the spring?

[Adammazda06]

i have tried everything. even called SU on what to do. they gave me instructions and all, but it still burps on any shift under about 4k-45k rpm. so i am just doing away with it.

[tru-boost]

50/50 will work....and if you like messing up your A/F between shifts, sure...i guess its OK. you think its no big deal, but i saw a 3/10's slower ET when i used to run my greddy valve VTA. it will make you slower, it will not be noticeable , but rich conditions even brief ones, will slow you down.
VTA is a NO NO and hybrid is not much better.... sorry, not trying to bash.
research how the MAF works and you will see why its bad.
especially if you already have a CAI ....why in the world would you buy a hybrid?? a normal recirc valve sounds great witha cai !

[aaronc7]

Yeah, I know theres no performance benefit or anything nad it should be run in full recirc. At least the valve can be converted to full recirc in a few minutes. I think I may try it out soon and see what it sounds like since I know it's better for it that way. I just like the way it sounds . I wonder if it will sound much different than the stock valve. I've had a few burps in the exahust but sually only if i shift at 2.5-3k light driving, no problems really

[aaronc7]

edit...doh im retarded

[aaronc7]

hey guys. I converted my hybrid BOV to full recirc today and it definitely does run better/smoother. As fun as the blow off sound is, i think i am gonna stick to full recirc until some sort of tuning solution allows us to properly run VTA.

[CX-7owner]

Yep, just waiting for that PnP ems!(ugh)

[firedawgs]

Where is the best price for the forge on the web??

[Sierra117]

I'm pretty set on getting the Forge, and it looks like the blue spring is the way to go but...

Anyone try out something from TiAl yet?

[rjs_speed3]

what are all the different types of BOV that are made for the MS3??? just want to know all the options for those of us who don't know them all... thank you!!

[Va6li]

what are all the different types of BOV that are made for the MS3??? just want to know all the options for those of us who don't know them all... thank you!!

All you have to do is read page 1 of this thread.

I know, it is harsh because I did not give you the answer right away but reading is really worth it.

[rjs_speed3]

thanks!! :)

[Albone]

I will be using my Greddy RS that I got for my SRT4 which never got the chance to be installed due to a crash.(hand) I also plan getting the recirculation fitting and Adapter Flange. Is there anything else I will need?

[serialtoon]

Turbosmart FTW!!!

http://img178.imageshack.us/img178/5808/img1692smallig5.jpg
They sell short rams for the mazdaspeed 3?? I WANT!

[Sierra117]

Looks to me just to be a custom set up...only part of the Mazdaspeed Kit.

[aaronc7]

yep, works great though. pipe sizing is identical to stock, so no CELs or anything negative. Slightly warmer intake temps i suppose, but testing has shown that over 35mph, intake temps are identical anyway.

[serialtoon]

yep, works great though. pipe sizing is identical to stock, so no CELs or anything negative. Slightly warmer intake temps i suppose, but testing has shown that over 35mph, intake temps are identical anyway.
Ok, now WHERE can i get one?

[aaronc7]

I had the regular mazdaspeed 3 CAI, which is like $300 :(. If I did it again I would get the cobb SRI (gonna be just like my setup, except the cobb has a flow straightener too (good thing)). It's $175.

[serialtoon]

I had the regular mazdaspeed 3 CAI, which is like $300 :(. If I did it again I would get the cobb SRI (gonna be just like my setup, except the cobb has a flow straightener too (good thing)). It's $175.
http://www.cobbtuning.com/images_products/3485.jpg
On the website for the Cobb SRI, it states 11HP gain. Yet the Mazdaspeed CAI seems to get better gains. Anyone have the Cobb SRI? How does it sound? Does it also give off the turbo spool and BOV sounds like the Mazdaspeed CAI?

[aaronc7]

Cobb tested both the MS CAI and their intake on the same day same dyno and i think they said the ms cai made a bit more HP but theirs made a bit more torque.....negligible difference i would say. Somethign else to consider is a CAI will probably do better in general on a dyno because you can't simulate the flow you would get while driving. They claim at anything over 35mph while driving, the intake temps are the same as ambient anyways, CAI or SRI. I'm not like a dyno expert or anything but this the conclusions that ive came to from my own research and reading. And yes it will give you the same 'noises' as the ms cai. There was no difference for me when i went from the full cai to the short ram.

[CX-7owner]

I thought the SRI was a bit louder, and the CAI a bit more subdued.

[serialtoon]

Man, i think im going to buy the Cobb, like right now....damn you! :-)

[aaronc7]

haha, im sure you'll love it. as far as noise/sound....be design i guess it would make sense if it was louder, but I didnt notice a huge difference, both were pretty loud i thought (but i like)

[speed3se-r]

back to blow off valves....i emailed forge and asked, since they make a hybrid vta/recirc valve for the vw's/audi's, if they had any plans on making a hybrid valve for the speed3's, 6's, cx-7's. Here is their email response:

We are actually looking at doing a new version of this for evos and..... we have sent a test unit to one of the mazdaspeed tuners that we work with :) Stand by on your favorite forums... hell, you might even try and drum up some interest, it can only help.

regards,

Angel Robles
US Director of Operations
www.forgemotorsport.com
Phone:407-447-5363
Fax:407-447-5361

SOooOOo....call, email, bug them enough and maybe we'll get a good hybrid valve from them! And at a more affordable price!

[tru-boost]

i like forge and it kinda upsets me that they would make such a dumb product.
they know it is bad for the car, but i guess the "young bucks" gotta have their whoosh whoosh sound. a cai is one of the best mods you can get for this car. buy that and a forge recirc valve... you'll get all the noise you want.
hybrid valves..... they are like bi-sexuals, not straight... not gay.... just a little of both. if you want a loss of power mod it's almost as good of an idea as full VTA. and before someone jumps on me and says "you can tune for 50/50 or vta" if you want that silly noise bad enough to go out of your way to buy a valve that is not recommended for a MAF car, just to spend more money to make it work... thats just friggn stupid !

[clos561]

or you can get hks and switch between the modes if you really want to hear it like i did, its a upgraded valve and i can run vta if i want the whistle

[REZXPERT]

actually, the "bisexual" analogy was stupid, truboost. kinda weird, too.


running SU Ultimate Dual Port BOV in hybrid. awesome.

[CX-7owner]

Well, running in hybrid mode on a stock map will hurt overall performance, its purely for the sound and I can't grasp that either, the Forge makes a great clean sound.

[tru-boost]

actually, the "bisexual" analogy was stupid, truboost. kinda weird, too.


running SU Ultimate Dual Port BOV in hybrid. awesome.

someone is in the closet still huh ??? oh... maybe not you put it right in your sig. for everyone to see !! not only is it a hybrid valve it's from SU !!! did you tell your parents !?!?

[CaSHMeRe]

i like forge and it kinda upsets me that they would make such a dumb product.
they know it is bad for the car, but i guess the "young bucks" gotta have their whoosh whoosh sound. a cai is one of the best mods you can get for this car. buy that and a forge recirc valve... you'll get all the noise you want.
hybrid valves..... they are like bi-sexuals, not straight... not gay.... just a little of both. if you want a loss of power mod it's almost as good of an idea as full VTA. and before someone jumps on me and says "you can tune for 50/50 or vta" if you want that silly noise bad enough to go out of your way to buy a valve that is not recommended for a MAF car, just to spend more money to make it work... thats just friggn stupid !

Wow, you need to get your facts straight. Why the fuck did you put a weird ass black line down the "not so middle" of your car? because, its the same idea with people and their BOV's. It all about personal opinion. Yes some cosmetic (sight/sound) and yet others for performance.

Lets quote you ... "..to go out of your way to buy a valve that is not recommended for a MAF car" Who's recommendation is this ? You have no tuning solution and don't even think you have ever logged your car, so how do you know this? Obviously not first hand...

Next quote .... "...just to spend more money to make it work" Wow, you do realize how many people want a tuning solution. I gaurantee, the benefits of a tuning solution HIGHLY outweight the benefits of going with no tuning solution. Be able to run VTA or even a blow thru design is just a small plus of a tuning solution, not an only reason.



someone is in the closet still huh ??? oh... maybe not you put it right in your sig. for everyone to see !! not only is it a hybrid valve it's from SU !!! did you tell your parents !?!?

TRU -- u need to stop spreading useless shit. Everyone knows you're a rep for PG, so the more you talk shit about another company, the worse you look.

You don't say this crap at the other forum because you know you will get eaten alive, so don't do it here either.


FINAL THOUGHT: I AM NOT A REP OF ANY COMPANY PERIOD. My Thoughts and opinions are based off FIRST hand experience. I hate when company rep's bag on each other.

[tru-boost]

even if PG made a hybrid valve i would tell you DONT BUY IT. i love FORGE products and i just bashed them for even thinking of making a hybrid. how do i know its bad without logging....hhmmmm well do you have a MAF ??? i do ...end of story. you vent metered air... you richen up briefly costing power. true yes i dont like SU, i wont deny it. i also know modding is different for each person. but most of the people looking to mod this car are not going to go all out. they want simple bolt-ons... CAI, BOV, and some exhaust. for those people i say... STAY AWAY FROM HYBRIDS, AND VTA VALVES ! for those who plan on getting some kind of tuning software, fine i guess. it wont harm anything properly tuned. also i say what i want on either forum... dont lie now !! i know i have said this same speech on the "other forum" i think you really need to chill out... seriously. i guess to each their own, but you are a smart guy, you cant honestly tell me you think VTA/hybrid venting is 100% fine ?!

also i am not a "rep" for anyone... call PG they will tell you. i do support them, and i do help with product testing, and what not.... but trust me i am not on the payroll !! i like them because they are experts, and local.. thats all.

boooo hoooo cash doesnt like my stripe !! i'm gonna take it off !

[AzMz3]

I think many are over exaggerating the VTA/hybrid issues from what they read on the net or heard from a friend.
Having had a turbo car with a MAF and a VTA BOV there was no loss in performance or issues with it. It did show a split second of being rich but nothing that will hurt the car in any way....And that is in between a shift! There was no flat spot/hesitation after a shift to show that the split second of richness is causing issues.

VTA/Hybrids IMO are only bad if they cause you drivability issues, like stalling or hesitation.

Mis-information only gets worst and worst when it keeps getting passed on and on by those that don't know what they are talking about.

And the stripe is unique I will give him that.

[CX-7owner]

What car did you have?

[tru-boost]

there are several people on this and the other forum who have tried their valves in VTA and have seen sputtering and backfiring. i also tried the greddy type s i had VTA... just for shits & giggles. i was able to tune the spring pressure to make the backfiring stop. and the i was soooo tight i got comp. surge with higher boost levels. granted a hybrid should not be as bad as full VTA. i guess i just dont see the logic some have. if you are going to spend money for a mod... why not make it the best mod you can get ? why spend MORE money for something that WILL reduce performance. you may not even be able to feel it, but trust me it is happening ! you even said that it did show rich between shifts. running rich robs power. sure it is a brief, blonk of an eye power loss, but why would you do that ? over the 1/4 mile i would be willing to bet it would cost you 1-2 tenths. not to mention you are going to be dumping lots of raw fuel into your cats with every shift. that will greatly reduce their lifespan. i am not trying to preech here. i am trying to help stop you guys from truely senseless modding.

[AzMz3]

there are several people on this and the other forum who have tried their valves in VTA and have seen sputtering and backfiring. i also tried the greddy type s i had VTA... just for shits & giggles. i was able to tune the spring pressure to make the backfiring stop. and the i was soooo tight i got comp. surge with higher boost levels. granted a hybrid should not be as bad as full VTA. i guess i just dont see the logic some have. if you are going to spend money for a mod... why not make it the best mod you can get ? why spend MORE money for something that WILL reduce performance. you may not even be able to feel it, but trust me it is happening ! you even said that it did show rich between shifts. running rich robs power. sure it is a brief, blonk of an eye power loss, but why would you do that ? over the 1/4 mile i would be willing to bet it would cost you 1-2 tenths. not to mention you are going to be dumping lots of raw fuel into your cats with every shift. that will greatly reduce their lifespan. i am not trying to preech here. i am trying to help stop you guys from truely senseless modding.

Assumptions don't make your preaching right!
Of course there are a few that say there are issues then there are some with no issues!
And running rich does rob power? How can you say that and preach about senseless modding! Do you even know how long it is running rich and how rich it is. And how do you consider it will cost you 1 - 2tenths in the 1/4? Again you have no idea what is going on to say the least.

[tru-boost]

yes sir... do some research. rich conditions rob power. i also suggest you research what a MAF is and how it works. if you acually unerstand what it does, how it works, and just how important its readings are to your cars tune, you will see. once you have some knowledge you will realize...... there is NO DEBATE ! modding is fun and people like different stuff, i understand, but for your cars sake...at least do it right !! and ther eare NONE with NO issues ! just because you cant see it or feel it (in what i assume is a highly trained butt dyno) doesnt mean there is nothing happening. the 1-2 tenth thing..... just a guess i admit it. but consider this.... a good driver will finish the 1/4 in 5th gear in a MS3. that is 4 shifts. each shift pushes you rich briefly robbing power and slowing turbo spool up. do that 4 times and i'm sure it will kill your time.

[AzMz3]

yes sir... do some research. rich conditions rob power. i also suggest you research what a MAF is and how it works. if you acually unerstand what it does, how it works, and just how important its readings are to your cars tune, you will see. once you have some knowledge you will realize...... there is NO DEBATE ! modding is fun and people like different stuff, i understand, but for your cars sake...at least do it right !! and ther eare NONE with NO issues ! just because you cant see it or feel it (in what i assume is a highly trained butt dyno) doesnt mean there is nothing happening. the 1-2 tenth thing..... just a guess i admit it. but consider this.... a good driver will finish the 1/4 in 5th gear in a MS3. that is 4 shifts. each shift pushes you rich briefly robbing power and slowing turbo spool up. do that 4 times and i'm sure it will kill your time.


You should really take your own advice as you have alot to learn and experience. There are some with no drivability issues.
I know how a MAF works and probally done more datalogging and tuning then you ever have to understand how things work.
Your assumptions is what is making you look cocky and un-intelligent. So you are correct there is no debate as you once again don't have any actually information but what you heard or read on the net.

[fourthmeal]

L.I.G. guys...

[tru-boost]

let me put it this way... our good friends at CP-E saw a large enough difference between recirc and vta, that their standback unit has a special tune JUST for making the NEEDED changes to run VTA. if you dont trust me, plese at least trust them, they are experts with these cars. if there was little or no adverse effect from runnig this way, would they have wasted the time comming up with a map to rectify the problem you claim doesnt exist. i feel that i am beating a dead horse here. there are 2 sides to every debate i guess. you can get just as good of a sound from a BPV with a cai. there is no need to ruin things with a VTA valve. tell me oh wise one what is even one positive benefit of switching to VTA/hybrid venting ?