Turbo noise
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Freshman User
Joined: Oct 2002
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From: Washington State
Turbo noise
I purchased a Superchips programer and holy cow :7 the truck rocks. I have noticed after installing the off road program I can hear a weard noise from what I am thinking is coming from the turbo when I stomp on the throttle full bore. Has anyone had this problem or is it something else making the weard noise I am hearing?
Thanks, Firemandan
Thanks, Firemandan
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Joined: Aug 2002
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From: Salem USA
Turbo noise
I didn't notice it after the supertuner, but I did notice it after the installation of the downpipe (unless you have that already). The faint whistling of the turbo spooling up, music to my ears.
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Freshman User
Joined: Oct 2002
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From: Washington State
Turbo noise
Hey Guy's thanks for the reply. My truck is a 2000 F350 superduty crew cab. I did not do any kind of mod to the engine but I did install a K&N air filter and a ram air box. I took a friend for a ride today and he said it sounded like it was just getting good air flow to the turbo. And I am sure that is a good thing. I can hear the sound after I let off the throttle a little bit after having it at full throttle for about 10 seconds. Crap by that time I half to get out of the throttle I am going over 70 mph. 
What do you think it might be? Thanks, Firemandan :7
What do you think it might be? Thanks, Firemandan :7 
Elder User
Joined: Dec 2001
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From: C H I C A G O
Turbo noise
I would say that the noise you are hearing is half your turbo spooling up and your wastgate letting off boost. Once i installed the AFE air filter setup on my truck , both the turbo and wastegate can both be heard allot easier now , Especially right when i shift into high gear , you can hear the wastegate getting rid of all the excess boost...
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From: san diego usa
Turbo noise
If you hear a whoosh sound when shifting or letting up on the pedal, that's air being pushed back through the intake. It's normal, and ok. You can't hear the wastegate by the way, it doesn't make noise.
If you start hearing a rapid chuffing sound when you have it floored, that's compressor surge. It's bad for the bearings if you run it constantly like that, and it limits your boost. Almost all newer PSDs will experience it with a chip/tuner. It's caused from design limits of the stock turbocharger, and you can get different compressor wheels and/or compressor housings to fix the problem. If you never experience it, that's good!
If you start hearing a rapid chuffing sound when you have it floored, that's compressor surge. It's bad for the bearings if you run it constantly like that, and it limits your boost. Almost all newer PSDs will experience it with a chip/tuner. It's caused from design limits of the stock turbocharger, and you can get different compressor wheels and/or compressor housings to fix the problem. If you never experience it, that's good!
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