Author Topic: n00b-a-licious question  (Read 3760 times)

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Offline JelloBello

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n00b-a-licious question
« on: Dec 5, 2006, 03:01PM »
Okay... very quick confrimation question before i go cutting things ;D

Is this line where a manual boost controller would go?


I'm about 70% sure it is, but as i said before i'm new to the turbo thing and just want to be sure.
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Offline Wolf In Sheep’s Clothing

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Re: n00b-a-licious question
« Reply #1 on: Dec 5, 2006, 03:29PM »
Thats the one, but you shouldnt have to cut anything, you should only have to remove the factory boost solonoid and replace it with the controller.
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Offline JelloBello

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Re: n00b-a-licious question
« Reply #2 on: Dec 5, 2006, 03:31PM »
hmmmm... i'll go look for the factory solenoid - i thought there would be one but couldn't see it... i'll go have a closer look now.

EDIT: don't suppose you have a picture...or can describe where i can find the solenoid?
« Last Edit: Dec 5, 2006, 03:35PM by JelloBello »
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Offline Wolf In Sheep’s Clothing

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Re: n00b-a-licious question
« Reply #3 on: Dec 5, 2006, 03:51PM »
I think it attaches to the stock airbox. I'm not 100% sure tho because when I got my car it was just dangling by the boost hose because it had no airbox.

Have a look near the bypass valve, there should be a boost hose coming off the side of the intake pipe that should go to a t-piece that splits the hose, one hose goes to the wastegate actuator and the other goes to the boost solonoid. All you have to do realy is remove that t-piece and put your boost controller between the hose that comes off the intake pipe and the hose that goes to the wastegate actuator. Then find where the boost solonoid is, it should connect another hose to the pipe between the maf and the turbo, you should plug up this hose some how so you dont get air being sucked into the intake from here, just put a screw/bolt in the hose and cable tie it n or something.

I hope this helps and makes sence.
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Offline JelloBello

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Re: n00b-a-licious question
« Reply #4 on: Dec 5, 2006, 06:04PM »
okay... this is what i did:

Disconnected two boost lines from the solenoid... then i blocked off the one that goes to the intake before the boost and also blocked off the one that goes to the T between the intake after turbo and the wastegate acculator(sp?).

then i cut the boost line between the wastegate acculator and the T peice which connects to the intake (after turbo)...

then i took the car for a spin on what is suposedly the stock setting to the boost conrtoller (it's a spring/ball one not leak) and the car was noticabley slower (lower boost) so i cranked it up a bit and it went like a zertec ;D.... but my question is why would it have lost so much power from the stock setup to the stock setting of the boost controller? have i missed something? ..did i even put it in the right place? :P
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Offline Craazy

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Re: n00b-a-licious question
« Reply #5 on: Dec 5, 2006, 06:41PM »
if you put it in the wrong way or in the wrong place then you wouldnt be able to control the boost wat so ever, trust me thinking you have done it right and then seeing 1.5bar(23psi) is fun but not cool on an otherwise standard engine....

generally the boost does go down when you install an aftermarket controller, it will control it back to the factory 7psi or lower. but as soon as you wind it out then you will notice the difference straight away as it will bring boost on earlier.

what boost was it running before then right after then after you wound it up??


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Re: n00b-a-licious question
« Reply #6 on: Dec 5, 2006, 07:49PM »
jamie you are gonna come show me right?
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Offline JelloBello

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Re: n00b-a-licious question
« Reply #7 on: Dec 5, 2006, 08:12PM »
if you put it in the wrong way or in the wrong place then you wouldnt be able to control the boost wat so ever, trust me thinking you have done it right and then seeing 1.5bar(23psi) is fun but not cool on an otherwise standard engine....

generally the boost does go down when you install an aftermarket controller, it will control it back to the factory 7psi or lower. but as soon as you wind it out then you will notice the difference straight away as it will bring boost on earlier.

what boost was it running before then right after then after you wound it up??


lol don't have a boost gauge yet :P (should be here 2morrow or thursday)

I'm working with a 100% stock car here so i'm assuming that it was 7psi before i added the controller and now i've got it on the lowest setting which feels alot slower than stock.

...I must admit curiosity got the best of me and i wound it up a lil bit for about 3km of driving (round the block), now that was FUN!

i'll wait until i get a gauge before i go playing with it any further

 - and luke you'll see it at the cruise unless you wanna make a trek down here, as i can't afford more petrol till friday :P
« Last Edit: Dec 5, 2006, 08:30PM by JelloBello »
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Offline JelloBello

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Re: n00b-a-licious question
« Reply #8 on: Dec 6, 2006, 05:57PM »
hmmmmm, okay i've been thinking - the line that connects to the wastegate acculator is almost at a right angle just before it connects to it... now my question is; could this be causing the line to "kink" a little bit, thus creating more pressure directly after it and in turn making the wastegate open prematurely?

As i had to pull this line a little bit to put in the controller i think this could be the source of my lack of boost problems, i'll be going to repco or sumewhere 2morrow to get some vacume hose and try replacing it, just wondering what you guys think?


EDIT: when my engine cools down i'm also going to try disconnecting the wiring for the stock solenoid to see if that has any effect.
« Last Edit: Dec 6, 2006, 06:02PM by JelloBello »
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Offline Budgie

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Re: n00b-a-licious question
« Reply #9 on: Dec 7, 2006, 05:51AM »
Just be carefull that you don't mess up any vac connections... this can greatly effect fuel economy and make your car run shittier.
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Re: n00b-a-licious question
« Reply #10 on: Dec 7, 2006, 07:47AM »
The boost controller shouldnt make your car slower than stock becuase its impossible for it to wind boost down as the lowest boost is goverened by the wastegate spring which stock should be 7psi.
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Offline JelloBello

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Re: n00b-a-licious question
« Reply #11 on: Dec 7, 2006, 11:06AM »
i know wolf... thats why i'm so confused.
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Offline Budgie

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Re: n00b-a-licious question
« Reply #12 on: Dec 7, 2006, 02:12PM »
You've probably cocked something :P

Boost leak maybe?  Due to an incorrect vac line...

I'm only speaking from experience here champ :)
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Offline JelloBello

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Re: n00b-a-licious question
« Reply #13 on: Dec 7, 2006, 02:56PM »
okay... not cool.

i just re-plumbed with vaccume hose from acculaor => intake after turbo  -  no dice
so i thought... hmmmmm interesing
then i ran a pipe straight from the intake after turbo to accualtor => still no where near what it was before.
THEN i re-did the stock plumbing and included the stock solenoid in the mix, once again no dice.

I am now really confused and think my wastegate / wastegate acculator may be jammed open?

anyhow i'm at the point where it's the mechanics turn to have a look and see what he thinks......... unless there's an easy way to check the wastgate/acculator?
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Offline Jono

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Re: n00b-a-licious question
« Reply #14 on: Dec 7, 2006, 11:46PM »
See the rod that goes from the wastegate actuator to the turbine housing? Pull that towards the turbine end of the turbo. It should be fairly firm (maybe 5-10kg of force on it before it moves). If it moves the wastegate isn't jammed.
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Re: n00b-a-licious question
« Reply #15 on: Dec 9, 2006, 03:32PM »
does the U13 have a little valve inside the vacuum line that goes to the wastegate actuator?? as mine did and it was in the hose just out of the intake before the T to the boost solenoid. i cant remember whether taking this out makes the boost go up or down so maybe if this valve was removed or not there may be an issue with it


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