ok, stupid question time fellas.....
so what is a vsv, where exactly is it, and can i bypass it/remove it?
so what is a vsv, where exactly is it, and can i bypass it/remove it?
vsv. how to remove?
- Thread starter boost fiend
- Start date
Vacuum Solenoid Valve, there are several, and they can be removed if you don't mind losing the functionality that they control.
Agreed. There are at least three that I can think of...
- The heater control VSV, that controls whether you have hot coolant circulating through your heater core in the cabin.
- The EGR VSV, which controls the EGR system.
- The Fuel Pressure VSV, which controls your fuel pressure regulator.
You can run without the first one, as long as you don't mind always running hot coolant in the cabin.
You can pull the second one if you remove the EGR system. You can only get away with this in areas with no smog checks, of course, and IMO it removes valuable functionality from the engine.
The only way to remove the last one that I am aware of is by getting an aftermarket fuel system, including an adjustable FPR.
Personally, I wouldn't remove any of them, as witnessed by the fact that I still have them all.
- The heater control VSV, that controls whether you have hot coolant circulating through your heater core in the cabin.
- The EGR VSV, which controls the EGR system.
- The Fuel Pressure VSV, which controls your fuel pressure regulator.
You can run without the first one, as long as you don't mind always running hot coolant in the cabin.
You can pull the second one if you remove the EGR system. You can only get away with this in areas with no smog checks, of course, and IMO it removes valuable functionality from the engine.
The only way to remove the last one that I am aware of is by getting an aftermarket fuel system, including an adjustable FPR.
Personally, I wouldn't remove any of them, as witnessed by the fact that I still have them all.
7MGTEJoe said:
exactly. learn how the various components of the car work FIRST, PRIMERO! once you understand what these things do, you will then automatically be aware of what you need and what you dont need.
GrimJack said:
1: That one is pointless to get rid of
2: What valuable functionality does it remove????
3: You can pull it out no problem, there'sa thread in the tech section ( i think ) 'bout removing it.
well the heater core has been bypassed, i have no egr system, and i read about the vsv around the fpr and just wanted to see it it would be a huge issue if i removed it. thats all. but thanks for the help and the worry about removing them.
boost fiend said:
ya ok :icon_conf
i am going to assume that your purpose here is to simplify the engine bay correct? adding a water injection system is only complicating things further, defeating your purpose. on top of that, none of these things have an effect on performance.
so, with the EGR for example, you dont gain or loose any power by having or not having it, it lowers emmisions AND helps fight against preignition/detonation under cruise conditions (when it is operating).
water injection systems are fine but should not be offered up as a replacement for the functionality of the EGR system.
they exist for high boost applications, most likely to be used when you are at WOT, during which by the way, the EGR is not functioning.
sorry but you have little idea of what you are talking about here and should seriously reconsider messing around with your car until you gain some basic knowledge about how the systems in the car work and their purpose.
boost fiend said:
if you have no heater core you dont need the VSV for it, along with the heater core valve it self.
if you have no egr you should also have no egr VSV.
you can remove the FPR vsv but watch how your car runs in hot start conditions.
thats all i needed to know. i have a good idea what goes on under the hood. as this being my first turbo car of this kind its just a few thoughts. some people help, some dont. you build one way, ill build my way.
:biglaugh:boost fiend said:
VSV=Very Slow Vehicle.
They are usually in front of the car you are driving.
By-'Passing' it is fine, except in unsafe conditions.
Removing it is sometimes done, but usually by very upset drivers, and is not recommended (especially with witnesses around). :biglaugh:
boost fiend said:
well this topic really has nothing to do with forced induction, it has to do with EFI systems.
anyway, i ment no offense by my response, i just try to be extremely blunt so there is little confusion found by what i say.
im used to building carb-based chevys. 500-600whp is diffrent there. turbos are new to me. is it a bad thing to ask for a lil help before i just start ripping things out? i like carbs vs. efi anyday.
No, I think you have the right idea about asking.boost fiend said:
I can't understand carbs. They are incredibly complex little buggers that have thousands of moving parts that wear out and break. EFI is easy... measure incoming air, apply fuel to match, DONE.