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997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Old Oct 25, 2017 | 07:48 AM
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Originally Posted by prodigymb
unless your stock turbos were modified they are not 62.5


Compressor wheel specs
997.1 43mm inducer 56mm exducer
997.2 45mm inducer 56mm exducer
997 GT2 45mm inducer 56mm exducer ( same wheel as .2 but different cover)


when people talk about 63.5 or 65 or 68, that number references the exducer (bigger part) of the compressor wheel.
It is bizarre to me how this market references exducer size when discussing upgraded VTG hardware. I wonder who started that marketing trend.
 
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Old Oct 25, 2017 | 01:59 PM
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Originally Posted by prodigymb
My third cousin in Australia told me that they are 64mm ..... but Borg Warner still says otherwise.
I'll measure mines pretty soon. Don't you worry.
 
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Old Oct 25, 2017 | 02:36 PM
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Originally Posted by 993Godspeed
I'll measure mines pretty soon. Don't you worry.



Measuring them isn't gonna make them grow, try watering them
 
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