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turbo issues - #1 boost creep/spike

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Old Aug 13, 2009 | 05:20 PM
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From: FAR BEYOND THE WHEEL...
Default turbo issues - #1 boost creep/spike

Im having a few issues with my setup.. one thats scaring me the most is the boost creep. Car is tuned for 8psi. Sometimes it will get to 10 -12 psi.. this could be due to my exhaust being a 63mm..

But when im just driving normal, turbo isnt even spooling.. it has hit 19 psi on the gauge. Or it will float around in boost when im not even doing anything. What gives? Maybe something with the vaccuum lines?

Everything looks like its done right. Line off the wastegate to intake mani.. line off BOV to intake mani.

Any ideas?
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Old Aug 13, 2009 | 05:25 PM
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line from wastegate should not go after the throttle body, maybe thats your problem? As for boost spike what gage are you using?
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Old Aug 13, 2009 | 05:30 PM
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Originally Posted by Artisan7471,Aug 13 2009, 08:25 PM
line from wastegate should not go after the throttle body, maybe thats your problem? As for boost spike what gage are you using?
Where should it go to?

prosports - i got them from a local metro guy, they worked on his car


lemme run out and take a pic so you can see
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Old Aug 13, 2009 | 05:52 PM
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BOV T'd into intake mani


another view of BOV connection


BOV


wastegate connection to intake mani


WASTEGATE - line runs off the bottom barb, there was a top & bottom barb, but they took off the top one



MAP SENSOR

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Old Aug 13, 2009 | 06:02 PM
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what does the map sensor say on your logs?
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Old Aug 13, 2009 | 06:23 PM
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Originally Posted by Soul Coughing,Aug 13 2009, 09:02 PM
what does the map sensor say on your logs?
im gonna have to borrow my sisters laptop and download them
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Old Aug 13, 2009 | 06:33 PM
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lol i doubt our are getting 19psi when you aren't even trying to put the engine under load. What kind of boost gauge?
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Old Aug 13, 2009 | 08:45 PM
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[QUOTE=sohc_mshue,Aug 13 2009, 09:33 PM] lol i doubt our are getting 19psi when you aren't even trying to put the engine under load.
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Old Aug 13, 2009 | 09:12 PM
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yea not going to go to 19psi crusing. not to mention you ever went from 8psi to 19psi....you would be able to tell. either it would become REALLY fun.....or you would drive over your pistons and rods after they fall out of the block if your not tuned/have the parts to do so lol
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