| :If you "suspect" I estimated wrong, then bring it to Mia, and I'll show you what your car can do. so...you want me to bring my Z to Miami to prove what? all I'm saying is this: 1) 555's top out at roughly 550rwhp 2) GT28R's top out at around 500RWHP These are significant obstacles to reaching 700rwhp, don't you think? For reference: [ http://www.twinturbo.net/net/viewmsg.aspx?forum=general&msg_id=1536828 ] [ http://www.twinturbo.net/net/viewmsg.aspx?forum=general&msg_id=1562481&forum=general&dtSearch=4 ] Of course, the wildcard here is that you don't have a true GT28R, but rather just the cartridge with machined housings. Maybe this is a magic turbo combination. However, the compressor map peaks at 1.6 bar, so I'm not sure how you would explain your peak boost?
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