| The TT engine alone doesn't make as much HP as the NA engine due to the TT engine having lower compression. If you read up on how to understand a compressor flow map (check google.com and stealth316.com for articles) a lot more of this will make sense. The numbers at the bottom of the chart represent the amount of air that will be flowing through the compressor (calculated by engine displacement and the RPM at which the engine is spinning). So you would take half the CFM of the VG30 since you are pushing the air through 2 turbos. And pressure ratio doesn't mean the HP gain. It's simply the ratio of turbo boost pressure plus absolute pressure divided by absolute pressure. So 1 pressure ratio is 0 psi of boost, while 2 pressure ratio is ~14.7 psi of boost. It's kind of difficult to understand since turbos are rated by the amount of air they flow and not horsepower. Just some people like to brand a certain amount of HP a turbo will gain on a certain engine for convenience sake
-Josh Email- TwinTurboJosh@hotmail.com
AIM- JAMChitlen   
sbsTT14: me and Bernie did it
JAMChitlen: thats what I thought
sbsTT14: I did most of the work, he helped with getting it in and out
JAMChitlen: *saves Spee's last comment*
sbsTT14: oh damn, lol "Computer games don`t affect kids; I mean if Pac-Man affected us as kids, we`d all be running around in darkened rooms, munching magic pills and listening to repetitive electronic music" - Spokesman for Nintendo, Inc., 1989 "You're gettin' ready to blow? I'm a mushroom-cloud-layin' motherfucker, motherfucker! Everytime my eyes see a 16 year old in a TTZ I'm 'SUPERFLY T.N.T,' I'm the 'GUNS OF THE NAVARONE.'" - Me 
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