Boost solenoid restrictor

[Bennyboy]

Hey Everyone,

Just wanted some closure on this easy mod and some advice.

So I was also one of the poor souls who snapped off the nipple when trying to remove the restrictor.
I have blocked off both connected pipes - If i am running a EBC, should I join them together?
Should I keep the old boost solenoid connected to the plug?
Will it benefit if I get a 3 port solenoid and get it flashed? - If yes, can you still get this solenoid and who is SE QLD can flash it without costing a fortune?

Cheers!

 

[naughtika]

Hey Everyone,

Just wanted some closure on this easy mod and some advice.

So I was also one of the poor souls who snapped off the nipple when trying to remove the restrictor.
I have blocked off both connected pipes - If i am running a EBC, should I join them together?
Should I keep the old boost solenoid connected to the plug?
Will it benefit if I get a 3 port solenoid and get it flashed? - If yes, can you still get this solenoid and who is SE QLD can flash it without costing a fortune?

Cheers!

1. eliminate the connection from your oe boost control solenoid
2. you can leave it connected or disconnect it, I dont think it matters as Steve usually have it disconencted when tuning the car to get the 'baseline power'

3. ensure that you use the factory vacuum hose / tubing as this spligs it to the front and rear turbos nicely


btw what EBC have you got?

 

[Bennyboy]

GReddy Profec Spec2 EBC - needs a proper tune

 

[naughtika]

GReddy Profec Spec2 EBC - needs a proper tune

who's tuning this for you?

also if you're worried about it overboosting, I believe you can hook up the vacuum lines but keep electronically disconnected

 

[Bennyboy]

who's tuning this for you?

also if you're worried about it overboosting, I believe you can hook up the vacuum lines but keep electronically disconnected

At the moment no one. I get most of my work done at Gavin Woods, but i'm trying to save up for a flash and dyno session with Matty Spry.
I don't think it goes as hard as it used to, i think its since the EBC was added and not running as well as it could.

Is it going to help get the 3 point solenoid for/if i get the flash?

 

[naughtika]

your preference..

alot of use went for the 3 port since it works with the ecu.. tune the ecu to your desired boost and be merry

as for EBC, IMO you're better off selling it, so the $$ you get from that can go towards your tune

btw is your aftermarket boost control solenoid is connected properly?

 

[Vstar_83]

Digging up threads, so what is everyone running these days? I'm guessing the 3 ports, is anyone still running the stock solenoid or stock solenoid with the restrictor taken out? I will get the 3 port in the future but not until I'm ready for the tune, which will be soon as well hopefully.

 

[VOLK]

Everyone goes 3-port. Removing the restrictor from the stock bleed valve is dodgy.

 

[Nitephyre]

But it works until you can go 3-port

 

[trotty]

The old stock solenoid is probably past it's used by date and most don't work
Anymore. I would bypass it and just use a boost bleed valve for the time being.

 

[VOLK]

I wouldn't go piling boost into an untuned motor, but that's just me. Tune for the boost you can safely run.

 

[Ben]

3. ensure that you use the factory vacuum hose / tubing as this spligs it to the front and rear turbos nicely

Any particular reason why this is the case?

When i removed my restrictor, I decided to replace all of the vacuum lines connected to the solenoid, and now my car doesn't want to boost past 5psi.

Is it possible that I have used too large of a diameter vacuum line or something?

 

[Dice]

This guy had the same problem with larger hose: http://www.ozvr4.com/threads/fixed-...ing-25psi-up-from-13.15398/page-2#post-333647

 

[Mulvi]

Im still running the stock solenoid, Steve Knight actually recommended to leave it in and steer clear of the 3 ports because he's had reliability issues with them. Not sure if he took out the restrictor or not. Car happily runs at 12.5psi no issues

 

[Dice]

Naturally a mechanic will recommend what they prefer based on their experience which is fine. Many other cars have used the aftermarket 3 ports (Evo, Mazda, Subaru) so they're pretty well tested. Experience from this club has shown that the stock solenoid can become a problem with age - not the most common issue to happen I think but that's the main reason why we install 3 ports with a tune.

 

[Baba Galant]

Naturally a mechanic will recommend what they prefer based on their experience which is fine. Many other cars have used the aftermarket 3 ports (Evo, Mazda, Subaru) so they're pretty well tested. Experience from this club has shown that the stock solenoid can become a problem with age - not the most common issue to happen I think but that's the main reason why we install 3 ports with a tune.

So reading through this, if I suspect my stock solenoid is dodgy I remove and plug up the 2 hoses? I have just installed a turbosmart mbc but not sure about the old hoses...cheers!

 

[Vstar_83]

So reading through this, if I suspect my stock solenoid is dodgy I remove and plug up the 2 hoses? I have just installed a turbosmart mbc but not sure about the old hoses...cheers!

Or you could buy a new one, which will be a lot more benificial. That's what I'm going to do any way, apparently mine is broken too.

 

[LEGNUMFST]

The latest greddy profec has been working well for a week so far played with a couple of settings. Holds constant boost at 12psi when i need it , doesnt really drop of till higher in the rev range. Boost response is awesome , really happy with it. KYP in perth installed mine highly recommended.

 

[jungle]

The latest greddy profec has been working well for a week so far played with a couple of settings. Holds constant boost at 12psi when i need it , doesnt really drop of till higher in the rev range. Boost response is awesome , really happy with it. KYP in perth installed mine highly recommended.

Out of interest what did the item cost and what was charged to install it?

 

[LEGNUMFST]

Kyp had a couple in stock so bought it for $390 and $160 to install.

Did a search the price i got on the unit was good.