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Old 12-30-2016, 06:44 PM   #15
KillerBMotorsport
NASIOC Vendor
 
Member#: 198281
Join Date: Dec 2008
Chapter/Region: MAIC
Location: Virginia
Vehicle:
2005 WRX/STi
WRB of course

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Quote:
Originally Posted by playslikepage71 View Post
Isn't the only difference between a GTX R and EFR turbo the turbine wheel, really? I would suspect that with the low mount TS setup, it doesn't make enough difference and proper matching has more of an impact.
No. Well I suppose that depends on how you're comparing them. Yes they are both turbochargers, but there are significant differences in physical size, shape, turbine wheel/flow, flanges and flange sizes (both in and out), etc., etc... In short the differences are enough that they cannot just be easily swapped.
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