Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Running low boost.. ideas?

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Old 11-25-2006, 07:54 PM
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Car Info: 06 Black STi
Running low boost.. ideas?

Alright.. My Sti is cobb stage two with damn near every bolt on less of a turbo upgrade. Today I got a muffler shop to rig up a 3" pipe that I could bolt on to my muffler section for racing so I could just run open pipe. Well I put that on and drove down to the gas station and filled it up with 100 oct and switched my map to Stage 2 93 oct with a real time map of STU 100. Went down the freeway and it felt like crap so I plugged my accessport in and I am only peaking out at 15 pounds of boost. I went back to the house and unplugged the battery and let it sit for a bit then plugged it back in and ran the STU 100 map again and still only 15 pounds.... Anybody got any ideas?
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Old 11-26-2006, 09:09 AM
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What boost are you seeing on your normal map? That would tell you if it was a mechanical problem or just a bad STU100 map.
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Old 11-27-2006, 07:57 PM
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I was hitting in between 18 and 19.. Somewhere in that general area.. But yesterday I took off the pipe and put my muffler back on, then I tuned it back to stock, disconnected the battery for a while then tuned it back to stage 2 93oct then did the STU 100 real time map and its running like a savage now.
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