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

Problem w/ boost on UTEC

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Old Jul 27, 2004 | 10:37 PM
  #1  
midnightwrx's Avatar
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Joined: May 2003
Posts: 419
From: San Diego
Car Info: 2004 subaru sti
Problem w/ boost on UTEC

Just installed my STI UTEC today. When I first tested it. I easily reached .9 bar.
Then when I went to show my friend I reached only .7 bar. Does anybody know why this would happen?

Could it be from the car or oil getting too hot?
Old Jul 27, 2004 | 10:41 PM
  #2  
RoadSpike's Avatar
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Joined: Feb 2004
Posts: 720
From: The Hunted Forest
Car Info: Mazda Protege '02 (Wishing protege has AWD and a H6 twin turbo)
Heat does have alot to do with how much boost you get. On a hotter day the air is actually a lil thinner so it doesn't boost as easily.

Though your car should have been fine i can only assume you tested it during the night on a cold day and showed your friend on a hot day.

just my .02
Old Jul 28, 2004 | 01:21 AM
  #3  
midnightwrx's Avatar
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Posts: 419
From: San Diego
Car Info: 2004 subaru sti
Actually both were during the day and around the same temp. But I'm goind to adjust the ABC and see how things go.
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