Forced Induction Superchargers | Turbochargers | Intercoolers

Loudest turbos?

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Old Oct 1, 2004 | 07:41 PM
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Default Loudest turbos?

So I've heard some imports with turbos that the whine is just so loud its sick, I like my cars to be quite loud (Drive around with cutouts open all the time, etc)

My question is, what is the loudest whining turbo out there? I know most of the kits advertise how quiet they are, which is a turn off for me.
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Old Oct 1, 2004 | 07:43 PM
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most likely the bigger the turbo and the less amount of exhaust would do the trick...4 inch dump would be loud
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Old Oct 1, 2004 | 08:24 PM
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The units with the ported shroud or anti-surge ring will make the most whistle.

Jose
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Old Oct 1, 2004 | 09:32 PM
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Old Oct 1, 2004 | 09:50 PM
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I only have a 3in pipe that is about 4ft long coming out of the turbo. The car is pretty quiet. If I take it off and have no pipe, you hear the turbo all the time, although the exhaust note doesnt sound as good.
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Old Oct 1, 2004 | 09:55 PM
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A belt-driven charger like an ATI or Vortech would get you noticed more.
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Old Oct 1, 2004 | 10:30 PM
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Originally Posted by mongse
A belt-driven charger like an ATI or Vortech would get you noticed more.
But then you have to listen to that racket while sitting at a stop light or while idling when all you wanna hear is your tunes. LOL
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Old Oct 2, 2004 | 12:33 AM
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Jose, How does a T76 GTS sound in comparison to say a T60, T66? While it doesn't look to have a anti-surge housing, I've heard from others that it spools fairly loud as compared to some smaller T series turbos.
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Old Oct 2, 2004 | 01:08 AM
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Mine doesn't sound any different from a normal T76, but it is noticeably louder than a smaller turbo.
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Old Oct 2, 2004 | 08:00 AM
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Originally Posted by F8L Z71
But then you have to listen to that racket while sitting at a stop light or while idling when all you wanna hear is your tunes. LOL
I see a lot of people post that it makes a racket, but mine doesn't... maybe I was lucky and received a quiet D1-SC head unit. Hell, when I put my new pulley combo and belt on, I had to roll my window down to make sure the belt didn't come off... I couldn't hear it with the windows up.

Edit: Oh, and I'm also venting dual surge valves to the atmosphere. My friends tell me its loud on the outside, but inside the car, it's quiet.
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Old Oct 2, 2004 | 04:08 PM
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The bigger the inducer the more sound will inherently be produced, since your compressing larger volumes of air. Stand beside a T101-106 car on the dyno, you will get all you want to hear....lol. Sounds like a Pratt&Whitney is stuffed under the hood....

Jose
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Old Oct 2, 2004 | 05:13 PM
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they also get louder the hard you work them, ie more boost.

My 66's a pretty loud
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Old Oct 3, 2004 | 02:05 AM
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I want mine to whine like crazy under heavy workload and at idle, of course louder under load but you should be able to hear the whine from a good distance at idle
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Old Oct 3, 2004 | 09:39 PM
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Originally Posted by term
I want mine to whine like crazy under heavy workload and at idle, of course louder under load but you should be able to hear the whine from a good distance at idle

Only thing you're going to hear at idle is a blower. My car, even if I open up the downpipe, is dead silent at idle.
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Old Oct 4, 2004 | 12:20 PM
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I don't know what this DSM has then, because it whines like f'ing crazy at idle
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Old Oct 12, 2004 | 04:56 PM
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heres a not i use to deal only with grand nationals and the smaller the turbo the louder the whisle the biger the turbo less turbo whine..
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Old Oct 12, 2004 | 06:16 PM
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how louds a gt70 over 10psi?
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Old Oct 12, 2004 | 08:30 PM
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try running it out of oil - then it will whine all the time
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