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#1
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boost
hey there
anyone here had there car tuned, to lets say 1.3 bar, and then a few months later when your driving look at your boost gauge and see that its changed and running 0.9 to 1 bar boost. i noticed it today when i was driving...? any ideas there to what that would be? its like its lost its tune. |
#2
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In a nut shell:
possible Boost leak- leaking somewhere between turbo & throttle body or vacuum pipe popped off. Someone played with your boost controller? Turbo dying. Blocked Cat. or header leak. potato in tailpipe. I would check all of the boost control vac lines first, .9-1.0 indicates it's only making roughly wastegate pressure. look for a split line somewhere.
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] |
#3
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Don't have a boost controller, I shall check the above and not turbo that's new
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#4
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Wastegate pressure on a factory turbo (factory wastegate) is about .5 bar or 7psi.
Does the car drive any differently, may be an issue with the hose to the boost gauge if not. If it feels slower, Rossco's probably right, boost leak. Does the car have an aftermarket ECU? Or Ecutek?
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Its just the internet dude, its not real. F.B. Racing 01 WRX (STI badged) 2010 XR5 Focus 06 Impreza Hatch 2.0i |
#5
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Brand new vf34, Doesnt really feel slower no, I'd say it's something to do with the gauge
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#6
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Brand new vf34, Doesnt really feel slower no, I'd say it's something to do with the gauge . Have autronics sm4
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#7
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If the turbo has just been replaced, there may be a loose hose clamp between the turbo and the throttle body.
__________________
Its just the internet dude, its not real. F.B. Racing 01 WRX (STI badged) 2010 XR5 Focus 06 Impreza Hatch 2.0i |
#8
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ah ok, it been on for nearly 3000km now, ill check it tho
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#9
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Kaiden, check your boost pressure with a known "good" gauge. Yours might not be reading 100% correct. The gauge you have could have a loose fitting on it, or the line to the gauge could be partially blocked.
Does the car feel like it is any slower now? .4 of a bar is a decent mount of boost to lose, you should feel the difference in the way the car drives.
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Cheers, Simon. |
#10
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so whats wrong with the 3000k old vf34 you have up for sale? o_O id most certainly bet the turbo swap is involved!
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