S2000 Forced Induction S2000 Turbocharging and S2000 supercharging, for that extra kick.

Somewhat custom build that started with a manifold

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Old Apr 29, 2009 | 04:37 PM
  #71  
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Originally Posted by Chris@SoS,Apr 29 2009, 03:34 PM
Yes, the bearings will keep the compressor's wheel spinning even with out exhaust pressure until friction overwhelms momentum.

Nice to watch your progress, keep it up.

Cheers,
-- Chris
Maybe I was abit unclear there, I should have asked: Is it normal to HEAR the turbo spin to a stop after car is shut down, or is that a sign of bad bearings?
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Old Apr 29, 2009 | 06:46 PM
  #72  
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It's normal with the ball bearing GT series turbos. Mine generally spins for 30+ seconds when shutting down the car.

Tim
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Old Apr 29, 2009 | 07:45 PM
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Originally Posted by timg,Apr 29 2009, 06:46 PM
It's normal with the ball bearing GT series turbos. Mine generally spins for 30+ seconds when shutting down the car.

Tim
you can hear a slight "purr", is it kinda like that?
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Old Apr 29, 2009 | 08:05 PM
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great sound if u ask me
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Old Apr 30, 2009 | 12:48 AM
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Originally Posted by timg,Apr 29 2009, 06:46 PM
It's normal with the ball bearing GT series turbos. Mine generally spins for 30+ seconds when shutting down the car.

Tim
30+ seconds! Oo
Mine spins maybe 5 seconds.

I am still worried, maybe I should try to record the sound. Got a studio microphone that might be able to get a grip of the sound.
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Old Apr 30, 2009 | 04:46 AM
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Mine definitely spins for 5-10 seconds afterwards... Just sounds like lubed metal rotating in the housing... Not anything special sounding, just a bit of friction noise.

John
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Old Apr 30, 2009 | 05:52 AM
  #77  
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Originally Posted by passmans2kny,Apr 29 2009, 08:05 PM
great sound if u ask me
haha yep, my 30R will spin for like 45 seconds sometimes
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Old Apr 30, 2009 | 09:35 AM
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but it doesnt have shit on the sound on that 30r spooling up, i swear it sounds like theres only a turbo under my hood with out an engine, only time i cant hear it ripping air in is when my gate opens, then all hell breaks loose lol
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Old Apr 30, 2009 | 12:42 PM
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Originally Posted by passmans2kny,Apr 30 2009, 09:35 AM
but it doesnt have shit on the sound on that 30r spooling up, i swear it sounds like theres only a turbo under my hood with out an engine, only time i cant hear it ripping air in is when my gate opens, then all hell breaks loose lol

I love that sound! Although the open wastegate sounds like anus.

Edit: but it's ok because it turns my knuckles white.
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Old Apr 30, 2009 | 01:10 PM
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ohh man i love that open gate sound, raw power, mabye we should compare some time
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