and all of the choices cost enough that I'll kind of be stuck with whatever I decide for an awfully long time. Long enough that I'm trying to be cautious about this decision. The G5 and the Sport 530 are the same turbo -- the GT2554R. I think I saw in the post down below about the recent Canadian Dynopalooza that MixMan got the G5 Zero which has an upgraded billet compressor wheel for some extra spin. Looking at his dyno chart, it does seem to pull all the way to redline for 517hp on pump 93 with all the breather mods. This is right where I want to be. Anyone have a tuned G6/2560/GT600R setup with breather mods that can chime in for comparison sake?
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