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Message: [QUOTE="madman1234509, post: 950452, member: 3910"] I dont see how porting wouldnt make a difference? We took quite a bit out of my heads. The intake runners were slightly larger then my thumb is wide, and now I can move my thumb pretty freely side to side, esp in the rear cylinder. Another thing I wonder is most of these numbers are with borg warner journal bearing turbos. We all know its all about spool up on these inertia dynos. Wonder if a garrett ball bearing/gtx/precision ball bearing would help that extra little bit. If I had the extra funds I would have bought a gtr or gtx. Maybe in a year or so Ill swap them out. [/QUOTE]

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