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Power Strokes
6.4 Tech
Torque Converter noise sounds almost like a Blow Off Valve
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[QUOTE="Shipmate, post: 245872, member: 736"] On any tune when the torque converter locks it has a hissing almost like a Blow Off Valve whooshing sound. This is right at 45mph under light to mid throttle. At WOT I do not hear it at all. Slippage in not to bad maybe 18 to 20 then setting down to 10 or less. The truck is a 08 with 48K and egr delete, 4" exhaust, Spartan CFM and upper IC pipe and 35" tires. I need to know what this is because the truck get put on a ship in a month and will be shipped to GUAM to where I am moving to. Thanks Luke [/QUOTE]
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Torque Converter noise sounds almost like a Blow Off Valve
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