20% power train loss? a bit much isn't it? even in an auto, the stock numbers show a 16% loss, yes the blower will sap some too but that would be accounted for prior to the drive train.
I just have a continually hard time buying (from a engineering stand point - which I'm not a engineer) the the same components take 65 HP to turn, take 127 hp to turn when the power is upped. The rwhp is up 78% but the drivetrain takes 127 hp a increase of 95%.
Its not a standard number by any means, the best it can be is an educated guess unless you have an engine dyno or transmission dyno. An independent company tested engines and there number was 13 to 14% on average. SRA cars also lose less thru the drivetrain as well.
Its also interesting that the peak torque numbers are so low as has been mentioned with a KB PD blower, these cars are geared the way they are for a reason and heck in most applications they will need more gear.
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Wow... 12psi on 11:1, and being 'safe'...