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Old 07-04-2011, 01:19 PM   #359
duder01
Scooby Newbie
 
Member#: 177324
Join Date: Apr 2008
Location: Torrance, CA
Vehicle:
2003 WRX Wagon
World Rally Blue

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Quote:
Originally Posted by sumfoo1 View Post
The gt3071 and 76 do have different turbine wheels however the gtx3071 has the same turbine as the 76 to not choke out the extra flow.
Actually, all 4 turbos share the same turbine wheel (GT3071R, GT3076R, GTX3071R, GTX3076R). The only 30-sized wheel that's slightly different is the cut-down one that was made to fit in the smaller GT28 style internally wastegated housings. It starts out life as the same wheel too, though.

The turbine wheel was basically "ahead of its time" when it came out originally so it is holding up quite well with the new compressor aero on the GTX turbos.
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