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Message: [QUOTE="KCTurbos, post: 1056976, member: 13852"] Are you talking actual twins... or compounds... for twins... what everyone already stated is correct. Study compressor maps a little more and mess with these two websites... they will help out. [url]http://www.squirrelpf.com/turbocalc/[/url] [url]http://www.not2fast.com/turbo/glossary/turbo_calc.shtml?FeetASL=800&Tamb=38&Bore=95&Stroke=105&nCyl=8&RPM=4000&VE=60&Boost=75&Ec=75&Eic=80&PdropIC=2&TambIC=38&wiPercentMethanol=50&wiRate=100&wiTemp=21&SFC=0.386&AFR=21&maxInjectorDutyCycle=85[/url] Here is a screen shot of what a gt3582 turbo would look like on a 3.0 liter motor making 250hp (basically 1/2 of the twin setup). Multiply it by 2 and you end up with a 500hp 6.0 liter motor. This was done assuming an 18:1 A/F ratio (semi smokey). It was also assuming boost does not even start till 2000rpms (really laggy setup). You can see that you are basically left of the surge line the whole time. That would basically just surge the whole time and run like crap. It might JUST BARELY run if you are taking it really easy the whole time. Add any more fuel and try to spool the turbos any sooner and the setup would be un-driveable without surging. [ATTACH=full]140856[/ATTACH] I hope you don't take any of that as "bashing"... I only know because I myself looked into the idea and was told it would run like crap... So i researched the heck out of it until I understood why it would not work. Hope that helps [/QUOTE]

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