12psi club
Turbo
Volumetric Efficiency
Displacement
Restrictions (IM, exhaust, TB, piping, air filter)
In essence it all boils down to mass flow rate (lb/min).
PSI is just a relative form of pressure ratio, which is only part of the equation.
I'm currently running at 12psi...which I'll admit is fun, but not nearly as much fun as FRTfun is having. That pressure ratio at redline on a 1.6L with my little peashooter is at the far edge of the efficiency island, over the 60% line. This yields a 1.4 DENSITY RATIO which is a much better determinant of power.
FRT has more displacement, and a turbo which flows more and is more efficient where we are operating...much more efficient. If you want to start a "12psi Club" I'd be happy to join and feel like I'm awesome...but if it were a "200whp+ Club" I'm afraid I'd be excluded, like I was through most of junior high.
Volumetric Efficiency
Displacement
Restrictions (IM, exhaust, TB, piping, air filter)
In essence it all boils down to mass flow rate (lb/min).
PSI is just a relative form of pressure ratio, which is only part of the equation.
I'm currently running at 12psi...which I'll admit is fun, but not nearly as much fun as FRTfun is having. That pressure ratio at redline on a 1.6L with my little peashooter is at the far edge of the efficiency island, over the 60% line. This yields a 1.4 DENSITY RATIO which is a much better determinant of power.
FRT has more displacement, and a turbo which flows more and is more efficient where we are operating...much more efficient. If you want to start a "12psi Club" I'd be happy to join and feel like I'm awesome...but if it were a "200whp+ Club" I'm afraid I'd be excluded, like I was through most of junior high.
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Thread Starter
Joined: Apr 2009
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From: Arizona
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Elite Member
Joined: Dec 2008
Posts: 1,642
Total Cats: 36
From: Colorado
turbo
volumetric efficiency
displacement
restrictions (im, exhaust, tb, piping, air filter)
in essence it all boils down to mass flow rate (lb/min).
Psi is just a relative form of pressure ratio, which is only part of the equation.
I'm currently running at 12psi...which i'll admit is fun, but not nearly as much fun as frtfun is having. That pressure ratio at redline on a 1.6l with my little peashooter is at the far edge of the efficiency island, over the 60% line. This yields a 1.4 density ratio which is a much better determinant of power.
Frt has more displacement, and a turbo which flows more and is more efficient where we are operating...much more efficient. If you want to start a "12psi club" i'd be happy to join and feel like i'm awesome...but if it were a "200whp+ club" i'm afraid i'd be excluded, like i was through most of junior high.
volumetric efficiency
displacement
restrictions (im, exhaust, tb, piping, air filter)
in essence it all boils down to mass flow rate (lb/min).
Psi is just a relative form of pressure ratio, which is only part of the equation.
I'm currently running at 12psi...which i'll admit is fun, but not nearly as much fun as frtfun is having. That pressure ratio at redline on a 1.6l with my little peashooter is at the far edge of the efficiency island, over the 60% line. This yields a 1.4 density ratio which is a much better determinant of power.
Frt has more displacement, and a turbo which flows more and is more efficient where we are operating...much more efficient. If you want to start a "12psi club" i'd be happy to join and feel like i'm awesome...but if it were a "200whp+ club" i'm afraid i'd be excluded, like i was through most of junior high.
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I might try and join you.
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