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Why Was My Gtr On Unlimited Boost?


druzilla32
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haehehheahe this is funny.. run "standard boost" then and see how long your motor lasts :D

it will last longer then having the pipe connected with no restrictor

try it then, let me know how it works out.

i have tried it... and yes... it was on standard boost...

it runs from the actuator which should be around 8psi unless its been modified.

(mine was on 10/11psi because it had an exhaust)

Edited by druzilla32
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you are not f**king listening.

without pressure going to the wastegate actuators they will not open untill the pressure in the exhaust housing is great enough to force them open (by which point you will be getting lots of boost).

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no i dont want any raised boost at all, thats why i dont want a bleeder. nooo bleederr :D an ebc will be on its way shortly.

anyway

i beleive if the hose to the SOLENOID is disconnected completly and there are no leaks from pressure to the actuators, then this should run standard boost. (or whatever the spring is set to)

Taking this in another way to what others have, in theory it should work. As long as you have a vacuum line running from somewhere to the actuators they will open on whatever the spring pressure is set at (7/8psi). You need to make sure there is nothing in the middle though, no solenoids, nothing, it just needs to be a vacuum line running straight from the actuators to a vacuum source (Tee it off one of the vacuum lines running from under the plenum).

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If you've disconnected the hose that supplies a boost signal to the solenoid, then where the bloody hell is the wastegate actuator getting its boost signal? It normally gets it from the solenoid (the solenoid bleeds some of the incoming boost signal to atmosphere).

If the solenoid is getting no signal, then it can't supply any signal to the wastegate actuators. If the wastegate actuators don't get a signal, then they can't overcome the spring. If they can't overcome the spring they can't open the wastegate. If the wastegates don't open, then there is no bypass of exhaust gas around the exhaust wheel. If there is no bypass around the exhaust wheel, then the wheel just keeps going faster and faster. If the wheel goes faster, more boost is produced.

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hmm..

no i think this because i have done it before.

i disconnected the hose and it made no difference to my boost

then i connected it with the restrictor removed and boost was up to 1 bar.

i can see where you are comming from, im just saying this cuz this is what happened when i did it. has anybody else in this thread drivin a gtr with the hose removed to the solenoid?

im gona use a life line...

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hmm..

no i think this because i have done it before.

i disconnected the hose and it made no difference to my boost

then i connected it with the restrictor removed and boost was up to 1 bar.

i can see where you are comming from, im just saying this cuz this is what happened when i did it.  has anybody else in this thread drivin a gtr with the hose removed to the solenoid?

im gona use a life line...

mate you still dont get it

take it to someone who know what there doing cause you dont have a clue and your only going to cost yourself more money in the long run

pete

ps i'm out of this thread (waste of time trying to help someone who will not listen, no mater how many people tell him who to fix it)

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mate you still dont get it

take it to someone who know what there doing cause you dont have a clue and your only going to cost yourself more money in the long run

pete

ps i'm out of this thread (waste of time trying to help someone who will not listen, no mater how many people tell him who to fix it)

I was wondering how long you guys would persist trying to tell him how not to stuff his turbos /engine again .

He just won't listen so let him find out the hard way again ....

I'll tell you once and only once , if you want to run the lowest possible boost you need to run a vacium hose straight to the ACTUATORS ( no holes no restrictors on the hose ) , then as soon as you have enough boost to push the spring on the actuators the wastegate will open and bingo no more boost !!! How much boost that is , whatever the spring takes to stretch , if you want to check that you can just run compressed air to it with a boost gauge on like .

If you want to run maximum boost take the hoses off the actuators and i can assure you of one thing , goodbye turbos ( stock ceramics i asume ) and more than likely goodbye engine .

Its as simple as that , the choice is yours ..... If you cant understand that DONT play around with your car , take it to someone that knows what they are doing . Dont even try to change the oil , more than likely you'll stuff up there too .

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i can understand how to run minimum boost..

i was just told something that i had to query because of the rep of the person who told me this. (the removing hoses to actuator question) at the start of this thread i said i dissagreed and that it would run unlimited.

but does anybody know why my gtr was on standard boost with the hose to the boost solenoid removed? i also understand that it should have run unlimited.. but when it was done, it was still on 10 psi, it didnt spike or anything.

and the whole zip tie around the hose to the solenoid thing, is meerley a way of restricting the hose the same was as the brase olive would. but as somebody advised it migth not be a good idea because the tie might streatch when it heats up. so il get a new hose.......

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but does anybody know why my gtr was on standard boost with the hose to the boost solenoid removed?  i also understand that it should have run unlimited.. but when it was done, it was still on 10 psi, it didnt spike or anything.

Maybe God was smiling on you.
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could it be possible that without the solenoid receiving the signal it was put into safe mode... resulting in standard boost?

just a thought (cuz im not shitting when i say it was standard boost without the hose connected)

on one of my other gtrs that had the restrictor removed, i have had one of them run in safe mode and it wouldnt boost over 8psi (it only had a cat back)

Edited by druzilla32
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could it be possible that without the solenoid receiving the signal it was put into safe mode... resulting in standard boost?

just a thought (cuz im not shitting when i say it was standard boost without the hose connected)

on one of my other gtrs that had the restrictor removed, i have had one of them run in safe mode and it wouldnt boost over 8psi (it only had a cat back)

Mate,

Whoever told you about removing the line running stock boost is a retard and should go back to having sex with their cousin's pig and not procreating so another tard takes up the rest of the worlds collective oxygen supply.

How are you determining it was standard boost? Are you looking at the stock gauge?

It's NOT possible the boost was put into a "safe mode" because the actuator is mechanical, it relies on pressure. If you disconnect the hoses you've mentioned you're removing the pressure the actuator is affected by (this has been said already!) What you're thinking of here is when your engine sees lots of air from the AFM (air flow meter) your computer will retard the timing and richen the AFR (air fuel ratio).. this is known as R+R.

If you want stock boost - do what everyone has said.

If you want a blown up car and annoy people - keep askin questions and not taking advice that's obviously in your best interest.

If you want to run no boost, wire up the wastegate actuator so it's always open (I'd be running my engine in like this).

Also, if you check howstuffworks.com there's some good info there on turbos etc they have a great diagram that shows how the wastegate actuator is actually actuated!

Not having a go but this thread is freakin frustrating... Beer Baron, wrxhoon, blind_elk - plenty of others have told you.

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lol..

ive been ass rapped in this thread.

just saying what happened thats all, o well

Oh yeah, you gotta watch out for that nasty barrel that seems to be attached to your keyboard!! :lol:

At the end of the day, if in doubt, drop into a reputable tuner's workshop and ask for advice and directions - Im sure being face to face with someone and with the vehicle there to be seen, the tuner would be able to show you exaclty what to do. Maybe be prepared with a 6-pack of Bourbon and do it on a Friday arvo....? (ie ask the workshop owner to help out for 10mins and dangle a few bourb's in front of him - very attractvie if its 4.45pm on a friday arvo!)

Much easier then trying to interpret from typed forum information, if you're not too mechanically minded (and Im the first to admit that Im not, when it comes to turbo vehicles - the Stagea is the first turbo Ive owned). Im finding that its a steep learning curve........... I can work of my highly modified Fireblade (150rwhp, spent 9k on mods), but scared to go too deep with the Stagea.

You'll get there mate. We all do by the end of the day.

Brendan <_<

Edited by bwilkeson
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