What is the difference in drawing engine heated air versus cool outside air?
Every 40 degrees makes a difference of 6% HP. The pressure would have to rise 1PSI for this gain in HP. Conversely, the air pressure could drop 1PSI at altitude and the losses would be similar. 10. If the e-Ram produces a positive pressure in the air box, how does that relate to HP gains. Answer: In the same way that you loose HP when you travel at altitude because the air is less dense, you gain it by increasing the pressure. For example, if you travel at 6500 feet, the air is 3PSI less dense than at sea level.(on average) This 3PSI doesn’t seem like much, but can be responsible for up to a 20% HP loss. If you could produce a 3 PSI supercharger, your gains could be in this range too. (Ignoring the heating of air due to compression) At 1/2 PSI, gains are in the 3% percent range.
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- What is the difference in drawing engine heated air versus cool outside air?
