PDA

View Full Version : Noob Turbo Question.


FX-MAN
11-26-2005, 11:59 PM
So... I get the turbo, I know why/how it works blah blah, but this is my first turbo car I have ever owned.. so obviously the first one I have considered tuning.

If I want intake and exhaust, would I want/need to upgrade the stock BOV? Since I can't hear it, I am assuming it's not the highest quality and should probably be replaced. Anyone know much about this? How hard is it to find a BOV that would work with the car? Is it a car-specific mod, or do BOVs tend to be generic?

joka1
11-27-2005, 12:06 AM
the sound, i do not have a ms6 but i have a protege with a bov and before i had the bov i had a recirc valve (dumps the air back into the intake) which is what i believe the ms6 has. when u shift the extra air has to go somewhere...a bov vents the air into the atmosphere, a recirc dumps it somewhat quietly back into the intake and it gets used again!!

joka1
11-27-2005, 12:08 AM
damn u edited ur first post while i was typing.............lol.............my reply still answers ur question i think. a recirc valve is fine and wont cause stalling issues like a bov........

FX-MAN
11-27-2005, 12:12 AM
LOL.. yeah, it sounded like I had no idea what a BOV does... I understand what it does, I just was curious why I couldn't HEAR it, and was concerned about boost spikes (especially since I plan to upgrade the intake). Is there a reason to want a BOV over a recirc (other than the sound)? Wouldn't air recirculated be hotter than fresh air from the intake?

Why did you switch out yours?

Matthew
11-27-2005, 12:13 AM
unless you are boosting some major psi to justify the need of it, or just want the noise, i would say no. but wouldnt blame you if you wanted to hear the noise. i think most people would be suprised as hell to hear a mazda6 blow off.

hukster00
11-27-2005, 12:15 AM
You should keep you're bov stock don't waist money on it use it some where else, you should only replace the bov if it start to leak other wise no point IMO

FX-MAN
11-27-2005, 12:17 AM
well. I do love the sound of a BOV. lol. I am more curious if there is a benefit from them. I was reading an article that said (for a different car) if you want to do anything that would increase boost (even a CAI) then you want to upgrade the stock BOV.

Matthew
11-27-2005, 12:17 AM
possible he just wants the sound.

Roywhitep5
11-27-2005, 12:18 AM
with such a high tech car, i wouldnt be suprised if an intake would just make the car loose power. that has been a problem with imprezas. exhaust would probably make the biggest differance

Matthew
11-27-2005, 12:19 AM
yea, you would get flamed for chaning the BOV or intake on your WRX unless you had over like 400hp.

joka1
11-27-2005, 12:20 AM
ms6 has a recirc if i am not mistaken............anyway..........i switched mine out since i show my car it is less hoses in the engine bay........ so to clean it up i switched to a bov and moved my maf to the pressure side.......... (so i would not stall) i love the sound also........... i wont lie......... scares the shit out of some people!

Matthew
11-27-2005, 12:22 AM
i love the sound too. supposedly on the WRX it makes the car rich inbetween shifts, but i still might get one anyhow. i dont race the thing, and its probably such an anal retentive thing that i wouldnt even notice the difference. if it does truly make a difference, i would just sell it. plus, i have never actually seen any AFR charts or anything to prove those peoples statements, its just like a he-said she-said thing.

FX-MAN
11-27-2005, 12:23 AM
I was just reading up a bit more on this, sounds like it would be a bad idea either way.... Air is measured at the front of the intake, adding a BOV will make the A/F mix overly rich and could result in stalls. Doesn't sound worth it to get a cool sound out it.. if there are no performance gains associated with it, it's really not worth it.

Matthew
11-27-2005, 12:24 AM
you get used to not stalling it. basically what causes it to stall is you coasting to stop in neutral...once you get used to downshifting instead of coasting, it pretty much goes away.

joka1
11-27-2005, 12:25 AM
i know alot of wrx's that upgrade to the hks ssqv (i think those r the letters) and they all have the damn whistle.......... they dont complain abt it being rich during shifts and most of them are laptop tuned!

Matthew
11-27-2005, 12:26 AM
if you search around you will see, a lot of flamming about BOV goes on, and when i newb signs up with that mod, the first thing most people tell them to do is take off the BOV and then a huge debate ensues.

Roywhitep5
11-27-2005, 12:28 AM
you can just say "WOOOOOSH!!!!!!!" or "DOO DOO DOO DOO" when you shift

Matthew
11-27-2005, 12:29 AM
or get the ebay bov noise maker for the muffler:

http://cgi.ebay.com/ebaymotors/Make-YOUR-CAR-sound-ball-bearing-Garrett-TURBO-CHARGED_W0QQcmdZViewItemQQcategoryZ33742QQitemZ801 5926287QQrdZ1

hukster00
11-27-2005, 12:29 AM
you can just say "WOOOOOSH!!!!!!!" or "DOO DOO DOO DOO" when you shift

(rlaugh)

Roywhitep5
11-27-2005, 12:30 AM
thats just supposed to the the turbo spool

joka1
11-27-2005, 12:30 AM
or get the ebay bov noise maker for the muffler:

http://cgi.ebay.com/ebaymotors/Make-YOUR-CAR-sound-ball-bearing-Garrett-TURBO-CHARGED_W0QQcmdZViewItemQQcategoryZ33742QQitemZ801 5926287QQrdZ1



ya but that is gay

Matthew
11-27-2005, 12:31 AM
no its super cool. btich are you retarded? thats a sweet ebay mod!

Antoine
11-27-2005, 12:59 AM
stay on topic or it's delete time ;)

joka1
11-27-2005, 01:04 AM
back on topic...........like i said u need to relocate the maf to the pressure side to dissolve the stalling issues since yes..... the maf reads the intake air b4 the turbo, if u blow that air out ur ecu thinks it is receiving more air then it actually is!! that is why my maf is moved to the pressure side so it only sees the air that is reaching the engine! their is bov w/recirc applications to hlp ease this but u still have a small problem.
sorry antoine, is that better?


I was just reading up a bit more on this, sounds like it would be a bad idea either way.... Air is measured at the front of the intake, adding a BOV will make the A/F mix overly rich and could result in stalls. Doesn't sound worth it to get a cool sound out it.. if there are no performance gains associated with it, it's really not worth it.

joka1
11-27-2005, 01:58 AM
so why r u a mod of the mazdaspeed 6????????? u dont even have one?

now back on topic

crossbow
11-27-2005, 09:36 AM
FX-Man,

Take off your resonator. Its in your driver side wheel well. You'll be able to hear the turbo after yanking it off.

FX-MAN
12-07-2005, 01:02 AM
Does that do anything to the warrenty?

Da 6
12-07-2005, 01:15 AM
nope :) hell most of the times nobody removes the airbox to look for it. The way it's setup if you hydorlock you had water comming in the cabin 1st

Bigg Tim
12-07-2005, 01:29 AM
A open intake would allow you to hear the BPV. I run one and I can hear it releasing when I shift. It's not as loud as a BOV, but it works. I was told a BPV is more efficient since it recirculates the air back into the system since it has already been metered by the MAF. At any rate, to run a BOV, you would need to weld a flange on your pipes for it, IF you have hard pipes. If not, then you would need to upgrade to hard pipes, not a bad idea, and then put the BOV flange on them. I would say get a intake with an open filter....you'll hear the BPV more.

Oh yeah, so how do you like that thing? Have you went up against anything worth while? Have you found any tuners or aftermarket parts yet? I'm asking because I may consider getting one here soon.

Da 6
12-07-2005, 01:35 AM
AEM is working on that ;)

Bigg Tim
12-07-2005, 01:40 AM
AEM is working on that ;)

No way, where did you hear that? That would be awesome!

Da 6
12-07-2005, 01:49 AM
Intake wise... also mazdaspeed IIRC has one for $$$$$$$$ but it's marked as a mazdaspeed orange item.

Bigg Tim
12-07-2005, 02:01 AM
Intake wise... also mazdaspeed IIRC has one for $$$$$$$$ but it's marked as a mazdaspeed orange item.

Oh, an intake! That's not what I was thinking, those are easy. So what is an orange item?

Da 6
12-07-2005, 02:02 AM
This
MAZDASPEED "Orange" Performance Accessories are sold "as is" without any warranty of any kind. All implied warranties, including all warranties of merchantability of fitness for a particular purpose, are excluded. Purchaser acknowledges that no representations have been made regarding these parts, including but not limited to any representations as to their quality of performance, and purchaser shall be responsible for and bear all costs of repair of replacement due to any defect in or failure of these parts or any damage to other components. Purchaser acknowledges that vehicles equipped with MAZDASPEED "Orange" Performance Accessories shall not be operated on public highways. MAZDASPEED "Orange" Performance Accessories are intended solely for the use on vehicles participating in race/off-road competition events. Purchaser acknowledges that all Mazda vehicle/parts/accessory warranties are voided if the vehicle is used in a competitive event. Purchaser also acknowledges that there will be no warranty coverage for any part or accessory that fails as a result of the installation of a MAZDASPEED "Orange" performance part. Purchaser accepts all responsibility for all vehicle modifications and all potential risks. MAZDASPEED "Orange" Performance Accessories have been designed and are intended for race/offroad applications only. Federal and many state laws prohibit the removal, modification of, or rendering inoperative any part or vehicle system affecting emissions or safety.

crossbow
12-07-2005, 07:03 AM
Ya basically you pay a 250% markup, for a relabeled aftermarket part, that doesn't even have a warranty on the manufacturering quality of the piece.

Thus if it throws a check engine light, you have nobody to complain to. If it snaps in half, you have nobody to complain to. IMO its the biggest ripoff.

Da 6
12-07-2005, 09:01 AM
Yep as crossbow said if you get a cel you pay for the diagnostic check to find out it was just the intake they just sold you aprox 100 miles or so ago(well if the pcm is as sensitive as 6i or even 6s). The "off road use only" means if you are in one of those places the cops are super anal like anal beads you can get tickets for it.

ATE BALLER
01-04-2006, 10:39 AM
Intake wise... also mazdaspeed IIRC has one for $$$$$$$$ but it's marked as a mazdaspeed orange item.


Where did you find that?

Da 6
01-04-2006, 01:24 PM
One of the actual mazdaspeed authorized dealership vender sites but have to check if they are a ventor of our site before posting linky ;)

ATE BALLER
01-05-2006, 04:54 PM
Can you at least gimme the name of the company?