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Power Strokes
6.4 Aftermarket
Update on my rig
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[QUOTE="Dzchey21, post: 1084394, member: 63"] Your back pressure is way high compared to your boost, and one thing your not looking at is back pressure between stages. With 40 psi from the atmo i would be willing to be that your back pressure is 50 or 60 psi between stages and say with 80 psi total that doesnt leave much room for your high pressure to make much boost. Its air in and air out if there isnt much room for air out the turbine slows way down hince why your total boost is low. You might stick a pressure gauge between stages and check that. Im betting its high. I thought you said it it made 910 in tadds little truck? didnt that truck also have a different cam? You really thought you were going to make 1000 hp on fuel? [/QUOTE]
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