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noisy turbo on bf typhoon 

 

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 Post subject: noisy turbo on bf typhoon
Posted: Tue Mar 13, 2007 7:16 pm 
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when turn car off the turbo makes a grinding noise. Ford reckons nothing is wrong
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Posted: Tue Mar 13, 2007 8:19 pm 
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nothing is wrong, thats the turbo slowing down you can hear, my turbo winds down for about 30secs or so...

the noise is evident when you switch off because you are no longer pumping oil pressure into the turbo bearings, and the turbo centre is still rotating at around 6000rpm

 

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Posted: Tue Mar 13, 2007 8:47 pm 
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yeh every BB turbo ive heard does that.

 

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Posted: Wed Mar 14, 2007 1:41 pm 
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Needs a turbo timer so the turbo slows down while still having oil pressure :roll: :roll: :D

 

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Posted: Wed Mar 14, 2007 2:06 pm 
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GTBob wrote:
Needs a turbo timer so the turbo slows down while still having oil pressure :roll: :roll: :D
Even after a minute or so at idle when you shut it off the thing still spins for over 30 seconds. BB turbo's are insane.
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Posted: Wed Mar 14, 2007 4:07 pm 
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GTBob wrote:
Needs a turbo timer so the turbo slows down while still having oil pressure :roll: :roll: :D


The xr6ts and typhoons and everything do not need turbo timers.. they r built to be able 2 turn off straight away
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Posted: Wed Mar 14, 2007 6:00 pm 
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GTBob wrote:
Needs a turbo timer so the turbo slows down while still having oil pressure :roll: :roll: :D

lol, gee, thats a brilliant idea.... how long did you think about that???

problem goes like this: engine running, turbo spinning, oil pressure present... stop engine, turbo still spinning, no oil pressure....

how can a turbo timer stop that??

like i said, your turbo will be still spinning in the vacinity of 6000rpm...

 

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Posted: Wed Mar 14, 2007 6:02 pm 
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Don't they keep the oil moving through the turbo anyway once the car is off? Something to do with theromodynamic stuff?

 

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Posted: Wed Mar 14, 2007 6:05 pm 
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If you knew the principle of a turbo timer you wouldn't say non informed statements how many turbo vehicles have you serviced or rebuilt :?: :roll: :D :D

 

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Posted: Wed Mar 14, 2007 7:00 pm 
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mate, your comments keep getting more silly.... i think you need to think a bit deeper about the issue at hand.

i can tell you that we are not discussing letting a turbo cool down before switching off the engine, we are not talking about allowing oil to flow through the engine/turbo while it is idling......

if you can grasp this threads discussion, then can you PLEASE clearly explain, what it is you think a turbo timer will do to avoid the previously mentioned issue?????????

thankyou

oh, and as for how many turbo things ive been involved with, well, there is a chance that maybe i havent had as much to do with them as you, but guess what??? that makes you look even MORE stupid by saying what you are saying..... you should steer clear of anything turbo if you cant grasp the concept

 

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Posted: Wed Mar 14, 2007 7:45 pm 
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I would like an explanation of this magic turbo timer too.

fnp wrote:
Don't they keep the oil moving through the turbo anyway once the car is off? Something to do with theromodynamic stuff?


That is thermosyphoning. Im not sure if it applies to the oil but it definately happens with the coolant.
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Posted: Wed Mar 14, 2007 7:54 pm 
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wtf is this guy for real. he must not under stand that Ball Bearing turbos still spin at 5000-10000rpm at idle no matter how long u let it idle.

 

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Posted: Wed Mar 14, 2007 8:20 pm 
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Leave him alone. He's a real old school car guy. Almost 70 years of age and owns a XW GTHO. I don't think his knowledge of turbo's goes beyond anything from the 80's like a nissan exa turbo.
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Posted: Wed Mar 14, 2007 8:31 pm 
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xcabbi wrote:
Leave him alone. He's a real old school car guy. Almost 70 years of age and owns a XW GTHO. I don't think his knowledge of turbo's goes beyond anything from the 80's like a nissan exa turbo.


well no offence but he shouldnt be getting riled up over it.
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Posted: Wed Mar 14, 2007 8:39 pm 
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Old people these days :roll: :lol:
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