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The Terminator
Turbo Cobras
Why Our Turbo Cobra's Don't Have Torque
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<blockquote data-quote="99riocobra" data-source="post: 8420161" data-attributes="member: 36825"><p>while that can be true for an NA engine, turbo is a whole different ball game. you are aboslutely incorrect when you say causing back pressure helps torque with a turbo. do you understand how a turbo works? a turbo(or turbine) does a work output based off of expansion. you have high pressure in the exhaust before the turbo and low pressure on the other side on the turbo outlet. now, air flows from high to low pressure, so the larger the pressure difference between the two sides the more work can be done. by causing as low of pressure as possible on the outlet(see larger downpipe, straight through mufflers,...) you will in turn cause the turbo to do as much work(or torque) as possible. this work is transferred directly through the shaft to the compressor blade...</p></blockquote><p></p>
[QUOTE="99riocobra, post: 8420161, member: 36825"] while that can be true for an NA engine, turbo is a whole different ball game. you are aboslutely incorrect when you say causing back pressure helps torque with a turbo. do you understand how a turbo works? a turbo(or turbine) does a work output based off of expansion. you have high pressure in the exhaust before the turbo and low pressure on the other side on the turbo outlet. now, air flows from high to low pressure, so the larger the pressure difference between the two sides the more work can be done. by causing as low of pressure as possible on the outlet(see larger downpipe, straight through mufflers,...) you will in turn cause the turbo to do as much work(or torque) as possible. this work is transferred directly through the shaft to the compressor blade... [/QUOTE]
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