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Old 05-30-2011, 02:03 PM   #45
thebeerbaron
Scooby Newbie
 
Member#: 280331
Join Date: Apr 2011
Location: NYC
Vehicle:
2002 WRX wagon
WRB

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OK, I haven't pulled the overheated engine on my '02 WRX, but planning for the worst. A couple quick questions, since a EJ257 swap seems to be the way to go:

Do I need to upgrade to the STi injectors or is there enough headroom in the 2L injectors to work with the larger displacement? Obviously a tune is necessary.

How does the displacement bump affect turbocharger behavior? I haven't dug around for compressor maps or anything like that, but am I correct in assuming that the larger displacement won't cause compressor surge or over-rev the turbo?
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