Yup
BOV; Stalling issue workaround
- Thread starter igdrasil
- Start date
I sell them for $210, but I am out of stock currently
I am expecting some next week
I am expecting some next week
ricenudles
Member
- :
- 03 ti msp
hey which bov would u guys choose between a greddy type s, blitz dd, and hks ss and why?
ricenudles
Member
- :
- 03 ti msp
after perusing through this site, http://www.collectracecars.com/evo/hks_ssqv.htm, another question dawned upon me.
i think striker was the one who told me that if u do recirculate u wont have a stalling issue. So i can assume that if ur venting to atmosphere then u will have a stalling issue, right? is this true for all cars or jus proteges? The guy w/ the evo who did the write up mentioned the venting to atmosphere but didnt really say anything about stalling if u do.
i think striker was the one who told me that if u do recirculate u wont have a stalling issue. So i can assume that if ur venting to atmosphere then u will have a stalling issue, right? is this true for all cars or jus proteges? The guy w/ the evo who did the write up mentioned the venting to atmosphere but didnt really say anything about stalling if u do.
ricenudles said:
Stalling with a vent-to-atmosphere BOV is only an issue with MAF-equipped cars. Those that use a MAP (manifold absolute pressure) sensor will never have this problem. Unfortunately, converting your MAS to MAP is cost-prohibitive.
Let me see if I understand how adjusting the throttle butterfly circum"vent"s (no pun intended...) this problem. The MAF reads X amount of air coming in under boost. Lift off on throttle, BOV does its thing, and the engine gets too much fuel/not enough air and bogs down? I assume that opening the butterfly allows more air to come in without screwing with the IAC valve...
ricenudles
Member
- :
- 03 ti msp
thanks a lot cyomega 
duMb KeoLa
Member
i might sell my greddy type s blow off valve...shoot me a price you wanna pick it up for and we will talk
laters
laters
TX Speed Demon
Member
Bump,
For any people like me that have been looking for this thread for the past 2 weeks !!!
For any people like me that have been looking for this thread for the past 2 weeks !!!
- :
- 02 1500 4x4, mp3
still works for me
I know I don't post here much but I must say this. You can cure the stalling and poor idle issue by plumbing the Bypass air comping out of the BOV back into the intake tract. The reason this stalling and Poor IDLE is happening is that the air that you are expeling to the atmosphere with your current BOV's has allready be measured by the MAF. THere for if you spill it out to the Atmosphere your car runs PIG rich because the air it thought was there before ISN"T anymore, But the Fuel it provided for that AIR IS. BOG/stumble, stumble, STall. Adjusting the THrottle plate is just a Band-ADE fix and doesn't truly adress why this is happening.
It appears all your set ups are done trying to VENT in a DRaw THru air metering, Try Blow THru. ie. You can also place your AIR meter/MAF/MAS whatever, somewhere AFTER the BOV and you wont have this problem and get away with VEnting to the atmosphere.
http://www.dsmtuners.com/gallery/showphoto.php?photo=24962&password=&sort=1&thecat=500
Notice my Air meter (3" GM MAF, the little black box controls it) it is AFTER the BOV"S and upstream of the Turbo in a BLOW THRU set up. ( I know Pretty TRICK Aint it
) This allows me to VENT the BOV's to ATmosphere! SO I don't hace drivability issues venting. If you have the Meter placed before the Turbo just find a way to plumb the bypass air back ANYWHERE in the inlet! I know this can be difficult with some BOV models. and doesn't sound as cool but at least you wont be belching icky RICH spew in between shifts.
It appears all your set ups are done trying to VENT in a DRaw THru air metering, Try Blow THru. ie. You can also place your AIR meter/MAF/MAS whatever, somewhere AFTER the BOV and you wont have this problem and get away with VEnting to the atmosphere.
http://www.dsmtuners.com/gallery/showphoto.php?photo=24962&password=&sort=1&thecat=500
Notice my Air meter (3" GM MAF, the little black box controls it) it is AFTER the BOV"S and upstream of the Turbo in a BLOW THRU set up. ( I know Pretty TRICK Aint it
) This allows me to VENT the BOV's to ATmosphere! SO I don't hace drivability issues venting. If you have the Meter placed before the Turbo just find a way to plumb the bypass air back ANYWHERE in the inlet! I know this can be difficult with some BOV models. and doesn't sound as cool but at least you wont be belching icky RICH spew in between shifts.yeah...
sometimes i just recirculate, sometimes dont...
I will do a blow thru, but I will buy a spare MAF to do this. our MAF as you know, is plastic, looks like it holds ok up to 10psi, dont know after that.
The other problem, I dont know if this may become an issue, as you know, over the time, the intercooler pipes will get a thin layer of oil, it may be bad for the tiny sensor of the MAF?
sometimes i just recirculate, sometimes dont...
I will do a blow thru, but I will buy a spare MAF to do this. our MAF as you know, is plastic, looks like it holds ok up to 10psi, dont know after that.
The other problem, I dont know if this may become an issue, as you know, over the time, the intercooler pipes will get a thin layer of oil, it may be bad for the tiny sensor of the MAF?
Last edited:
Yeah I'm not sure how well the Factory MAF can deal with PSI. I'm able to run 18 thru my GM MAFigdrasil said:
ABout the Oil. If your running your crankcase hose into the intake path, (as you Should) You can place a catch can in Line. Like one of these. http://www.roadraceengineering.com/parts/catchcan/smallcatchcan01.jpg THey are also Easy to make yourself.
