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

wastegate helper spring?

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Old Jun 11, 2005 | 10:44 PM
  #1  
Stimobetta's Avatar
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wastegate helper spring?

So I need some help I got a mbc and would like to run it at 16psi but the spring on the wastegate cant hold the pressure and drops back to stock psi, has anyone done the wastegate spring mod or know any info about it?
Old Jun 12, 2005 | 09:14 AM
  #2  
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Car Info: 2005 LGT wagon
What other mods have you done?
Is the ECU stock or ??
What octane fuel are you using?

While you may destroy that beautiful EJ25 using an MBC, a wastegate "helper" spring is certain death.
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