Quote:
Originally Posted by Z&I
I had the Si impeller upgrade done by Vortech as well ... had 30,000 miles on the SC'r and it needed to be rebuilt once they evaluated it.
Cost skyrocketed past the $1,000 mark.
It did make 11.9 lbs of boost with the 9 lb. pulley
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On mine I was seeing 12 also, Stock 8 PSI pulley tho, An my boost was building way sooner right around 3k all the way to redline.
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14 Q50 AWD, ARK, ECUTEK (SEB), Takda,
