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Old Feb 12, 2008 | 02:30 AM
  #1  
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Dolny
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Hp question

Ok, with a stock 7.3 turbo, whats the hp/torque per psi, so like 1 psi increase=x hp/torque?
 
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Old Feb 12, 2008 | 06:59 AM
  #2  
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From: Dallas-Ft. Worth
Not really sure how to answer you, but if you do a search for posts started by "ernesteugene", I'm sure you'll find something resembling what you're looking for.
 
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Old Feb 12, 2008 | 07:58 AM
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From: Carhenge
A 1 psi increase in boost will not result in any horsepower increase without the addition of more fuel.
 
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Old Feb 12, 2008 | 08:34 AM
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From: Parker, CO
It's a common misconception to relate boost to horsepower. The new 6.4L PSD's make more boost than my truck at WOT, but mine is faster and puts down more power.

If you are running too little air, then yes HP will be affected big time. If you already have adequate air and decide to pump more in (via compounds or a better single), then the power gains are in more minimal increments. Of course, good airflow also results in less smoke and lower EGT's.
 
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