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okay, what is the stock boost pattern? i run 9psi from about 2700RPM to around 5KRPM. from about 5K on i am only putting out like 4psi? https://www.nopistons.com/forums/pub...1047683358.gif wtf that can't be right.
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Originally Posted by wraith' date='Aug 6 2003, 09:43 AM
okay, what is the stock boost pattern?
Yours is broken. https://www.nopistons.com/forums/pub...O_DIR#>/11.gif See Boost Test. https://www.nopistons.com/forums/pub...IR#>/smile.png |
okay so at this point what would be the best option....or for that matter what are the options?
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I would check to see if you have any loose, broken or cracked vacuum lines or turbo lines. It could also be the sign of your catalytic converter starting clog.
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Originally Posted by wraith' date='Aug 6 2003, 10:43 AM
i run 9psi from about 2700RPM to around 5KRPM. from about 5K on i am only putting out like 4psi?
its not your primaries if your getting 9 psi.. its your secondaries thats an issue.. your generating enough psi to operate them... check all your solenoids.. |
i checked all my lines last night, and i don't hear anything that would sound like 6 psi leaking out. my the downpipe and cat look absolutely disguting (M2 ordered but they're behind on construction). now how exactly would one go about cheking their solenoids?
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holy **** guys that site should be a sticky or someting wow.....
Primary Turbo Inlet Typically collapses under high volume air through air cleaner into Primary Turbocharger. When the engine bay is hot the rubber is more prone to collapsing. Typical symptoms are having good boost at lower RPMs and then a loss of boost at higher RPMs, this is aggravated when engine warms-up softening the rubber allowing for easier and more complete collapse of the hose. Typically costs about $90 at dealer. this sounds to easy........ |
okay so this is what i have come to think. there is of course the simple possiblility of the primary turbo inlet.....which could be it, but seems to simple. there is the y-pipe coupling which i doubt is the issue because i'm holding steady 9psi till the change over. so i'm guessing after reading all this that it's probably my actuator...does that sound okay to everyone else. my secondary is obviously engaging, but would the actuator preveny it from boosting? and if the secondary and primary are suppossed to work together then why am i only showind 4 sometime 3 psi.......might it help to say that about 2 weeks about he secondary was only making about 6psi? it's like it's slowly gettting worse. just looking for some input. i'm gonna check the ypipe coupling, but i'm not advanced enough to look into actuator function.
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