Quote:
Originally Posted by Z&I
Nice G37x (I have one as well - now my DD with some 'cosmetic' enhancements)
May I ask as to the specifics of the impeller upgrade ???
My kit has the Vortech V3 and so far I haven't been able to nail down the right impeller.
Contacted 928motorsports and also Vortech ...
Need to know the directional airflow CW or CCW ...
Still waiting to hear from Vortech...
The car is just about to go into the shop...
Thanks,
Bob
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The impeller upgrade through Vortech is $395 plus shipping. It will bring the Stillen Vortech SCi unit up to a Si flow level (9.52% more) and increase boost throughout the rpm band. I went with Vortech since it is "OEM" and in this case I felt more comfortable with that. Let's hope they don't f it up.