You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an alternative browser.
You should upgrade or use an alternative browser.
Forge Valve install/impressions
- Thread starter sleeper3
- Start date
- :
- 2007 MS3
Well, there goes five minutes of my life I'll never get back.
In summary, you all seem to agree on three major points.
1) Hot intake air - bad.
2) Constantly varying intake air temperature - bad.
3) Running VTA on a car designed for Recirc without making other changes to support the mod - bad.
The debate is over three points.
1) How much of a difference in air temp between VTA and Recirc.
2) How long the effect lasts.
3) If one is just plain better than the other (assuming supporting mods in place) or if it doesn't make a damn bit of difference (again, assuming supporting mods are in place).
Wow! I'm sticking with the factory setup if I ever have to replace my valve.
Know why?
Because it's easier that way and I'm a lazy SOB!
In summary, you all seem to agree on three major points.
1) Hot intake air - bad.
2) Constantly varying intake air temperature - bad.
3) Running VTA on a car designed for Recirc without making other changes to support the mod - bad.
The debate is over three points.
1) How much of a difference in air temp between VTA and Recirc.
2) How long the effect lasts.
3) If one is just plain better than the other (assuming supporting mods in place) or if it doesn't make a damn bit of difference (again, assuming supporting mods are in place).
Wow! I'm sticking with the factory setup if I ever have to replace my valve.
Know why?
Because it's easier that way and I'm a lazy SOB!
Powerslave
Banned
- :
- mps 3
Well, there goes five minutes of my life I'll never get back.
In summary, you all seem to agree on three major points.
1) Hot intake air - bad.
2) Constantly varying intake air temperature - bad.
3) Running VTA on a car designed for Recirc without making other changes to support the mod - bad.
The debate is over three points.
1) How much of a difference in air temp between VTA and Recirc.
2) How long the effect lasts.
3) If one is just plain better than the other (assuming supporting mods in place) or if it doesn't make a damn bit of difference (again, assuming supporting mods are in place).
Wow! I'm sticking with the factory setup if I ever have to replace my valve.
Know why?
Because it's easier that way and I'm a lazy SOB!
i agree that it cuases rich issues cuase its design fro recuric, but i have the standback Jordan is making me a map to fix those issues
speed3shon
Member
- :
- 2007 Mazdaspeed3
The debate is over three points.
1) How much of a difference in air temp between VTA and Recirc.
2) How long the effect lasts.
3) If one is just plain better than the other (assuming supporting mods in place) or if it doesn't make a damn bit of difference (again, assuming supporting mods are in place).
1) negligable
2) not long
3) it is completely determined by the vehicle/setup. on a BPU MS3, a BPV is the way to go. even if you can tune for VTA. once you are pushing so much air that you cant vent enough back into the intake, you may need a BOV.
Powerslave
Banned
- :
- mps 3
If you guys ran in vta then i would have a little emore respect for your comebacks, try it. Also spleeper I do undersatnd what your saying i just don't agree, it doesn't matter how many miliseconds it takes for the piston to come up etc... the over all temp of the intake charge is greatly increased thats all that matters thats what you can't see dude...
1) negligable
2) not long
3) it is completely determined by the vehicle/setup. on a BPU MS3, a BPV is the way to go. even if you can tune for VTA. once you are pushing so much air that you cant vent enough back into the intake, you may need a BOV.
agreed on the first two. can you tell me when a VTA valve would vent more air than a bypass valve? look at the port in the flange of your valve. THAT is the bottleneck. on the stock valve, the hole looks too small to stick a pencil through.
Powerslave
Banned
- :
- mps 3
1) negligable
2) not long
3) it is completely determined by the vehicle/setup. on a BPU MS3, a BPV is the way to go. even if you can tune for VTA. once you are pushing so much air that you cant vent enough back into the intake, you may need a BOV.
let me guess you think its neligable cuase it only changes the intake temp by 2 degress... brilliant!!
speed3shon
Member
- :
- 2007 Mazdaspeed3
show me logs that prove a difference in IATs
until then. BOLOGNA.
until then. BOLOGNA.
Last edited:
If you guys ran in vta then i would have a little emore respect for your comebacks, try it. Also spleeper I do undersatnd what your saying i just don't agree, it doesn't matter how many miliseconds it takes for the piston to come up etc... the over all temp of the intake charge is greatly increased thats all that matters thats what you can't see dude...
the point you're missing is that the air is spent quickly. it's not like our bypass valves light a heating element in our intakes which heats all incoming air from that point on. the effect is extremely short lived.
all I'm saying is put a dash hawk on your car. watch the intake air temp. that is the ONLY way you will prove your point. you've already said that you get more boost out of the new valve and that your car holds boost better. as far as I am concerned, that is the only reason you are noticing more power. each pound of boost is good for around 10 hp from what I've read. that's quite a bit.
Powerslave
Banned
- :
- mps 3
good discussion guys i got to get some work done..lol yall try it then form opinions it doesn't hurt the car it just pops here and there btween shift over a long time its not good for the cats, but to try it would do anything, and remeber YOUR NOT RICH UNTIL YOU SHIFT. evrythig is the same its only rich when you shift
- :
- 2007 MS3
This thread has degenerated to the point where I am getting the urge to go watch the monkeys have a s*** fight at the zoo.
Bye guys!
Bye guys!
good discussion guys i got to get some work done..lol yall try it then form opinions it doesn't hurt the car it just pops here and there btween shift over a long time its not good for the cats, but to try it would do anything, and remeber YOUR NOT RICH UNTIL YOU SHIFT. evrythig is the same its only rich when you shift
no thanks dog. have fun pretending to be right.
speed3shon
Member
- :
- 2007 Mazdaspeed3
agreed on the first two. can you tell me when a VTA valve would vent more air than a bypass valve? look at the port in the flange of your valve. THAT is the bottleneck. on the stock valve, the hole looks too small to stick a pencil through.
the stock valve blows. dont use that as a reference.
most blowoff valves used in tuner cars are NOT what i am talking about when i say you need to move alot of air. im talking when you start needing something like a 50mm tial valve, theres no way for a bpv to release that much air.
make an opening the size of a straw... blow as hard as you can. now blow through a 6" straw... same size hole, but the hose causes a restriction.
will this restriction be an issue? not on any ms3's that ive seen yet, less the karagiannis ms3
Powerslave
Banned
- :
- mps 3
my opinion is more reputible than yours, you to scared to try it ive done it so its only natural that i know how it performs better than you, your the one pretending you have even done it..
Powerslave
Banned
- :
- mps 3
its miss ifno according to your flawed data....
speed3shon
Member
- :
- 2007 Mazdaspeed3
good discussion guys i got to get some work done..lol yall try it then form opinions it doesn't hurt the car it just pops here and there btween shift over a long time its not good for the cats, but to try it would do anything, and remeber YOUR NOT RICH UNTIL YOU SHIFT. evrythig is the same its only rich when you shift
show me logs that prove a difference in IATs
until then. BOLOGNA.
Powerslave
Banned
- :
- mps 3
youguys haven't evn tryed it wussies!!!..lol
New Posts and Comments
- Replies
- 32
- Views
- 2K
- Replies
- 12
- Views
- 771
- Replies
- 10K
- Views
- 2M
