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Old 10-18-2017, 02:02 PM   #1
Scooby Newbie
Member#: 476228
Join Date: Oct 2017
Default Which BCS should I be using on my conversion?

Hi everyone,
So I've got a 2003 WRX with the original heads and an EJ25 from a 2004 STI and a TD04(?) from a 2006 Forester XT. I've been having boost issues i.e. only hitting 1-2lbs of boost and only for a moment. If I disconnect the vacuum line from the wastegate actuator, the turbo seems to work pretty well up to wastegate pressure (~8psi) sometimes with a bit of hesitation. I have come to suspect the BCS. It is currently equipped with the 16102aa160 solenoid that it came with from the factory. Should I replace this with a similar part or will I require the 16102aa360 solenoid for the '04-'06 Forester, WRX? All help and input is appreciated!
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