What causes that beautiful sound? - Ford Powerstroke Diesel Forum
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Old 06-24-2012, 08:35 AM
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What causes that beautiful sound?

Shortly after buying my 2004, I slapped on a 4" turbo back. Its pretty tame sounding-until about 2000-2200 rpm when it just erupts under any sort of throttle, especially with a load, then quiets back down. Don't get me wrong, it's a lot of fun next to rock cuts and overpasses. But what causes that sudden explosion of engine sound?


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Old 06-24-2012, 08:37 AM
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That's the sound of power my friend!

It's when your turbo spools up and dumps about 20 psi into the engine.
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Old 06-24-2012, 08:39 AM
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It' a v8.....so, the V shape the pistons move in?

dunno, just guessing lol
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Old 06-24-2012, 09:44 AM
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Correct me if.I'm.wrong but I believe it when the turbo.vains are completely open is when you get that v8 rumble
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Old 06-24-2012, 09:47 AM
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Big v8, 7.3s do the same........just without all that whistle

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Old 06-24-2012, 07:01 PM
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I say torque peak. My old 302 F150 did the same thing right around it's TQ peak when it had longtubes and true duals.
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Old 06-24-2012, 07:16 PM
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Send a message via AIM to jimmyv13 Send a message via Yahoo to jimmyv13
If you like that, try the SRL tune.
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