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Power Strokes
7.3 Aftermarket
Discussion regarding back pressure and boost pressure
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[QUOTE="Swaan, post: 1413319, member: 5517"] If your seeing 23psi boost and 39 psi back pressure on your hot street then the back pressure is probably well over 2:1 on your race tune. You would see a huge improvement with a 364.5 sxe. This is what takes out the thrust bearings in turbos also. The stock turbo dont last long with 30 psi boost levels because of that. [/QUOTE]
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7.3 Aftermarket
Discussion regarding back pressure and boost pressure
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