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Originally Posted by scottsee
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The only problem I see with your numbers on the other page is that it would be impossible to flow that kind of air at 15 psi. For example, a 190 at 11:1 and 25 psi, which is where you would need to run a ev3 to get that flow, can only support ~38 lbs/min. Not enough. Even at 12:1 with a SG ov .724 its not quite enough. At 20 psi there is probably just enough fuel. People with this turbo run the 190 and get away with it, but I would not say there is more than enough fuel for the evo3. If someone plans to max out that turbos airflow, its not going to fly. Same for 550s, you're looking at 40 and 42 lbs capacity using the above scenarios. Pretty close, until you start to max out the turbo.