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welded shut waste gate w.t.f. 

 

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 Post subject: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:01 pm 
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someone welded the wast gate shut . elite performance would not have done this ? the car also has no blow off valve ?
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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:11 pm 
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what manifold was it running? it could have had an external waste gate ??
if not, that's just straight out bodgy...

running no blow off valve is not that un common, quite a few turbo engines don't run bov's.
I would be more concerned about the wastegate
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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:18 pm 
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TROYMAN wrote:
what manifold was it running? it could have had an external waste gate ??
if not, that's just straight out bodgy...

running no blow off valve is not that un common, quite a few turbo engines don't run bov's.
I would be more concerned about the wastegate

it has no external waste gate .hope i did not buy another lemon ,thats why i am swapping v8 to a turbo 6
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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:24 pm 
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have you had the doner car running at all?
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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:27 pm 
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yes it was running no knocks at all just the bearings were a bit noisy .the turbo to manifold had no gasket ?is that normal
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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:30 pm 
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Id say someone has swapped a stuffed turbo that had been modified for an external gate with the one off the car before it was sold after the accident.
There should of been a gasket I reckon.

 

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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:30 pm 
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QLD, Australia

was going to get the turbo rebuild tomorrow but maybe i just buy a brand new one for $1000 insted of getting this one rebuild

Last edited by gunna on Wed Feb 12, 2014 10:37 pm, edited 1 time in total.

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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Wed Feb 12, 2014 10:35 pm 
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Matt_jew wrote:
Id say someone has swapped a stuffed turbo that had been modified for an external gate with the one off the car before it was sold after the accident.
There should of been a gasket I reckon.

all the nuts and bolts were not taken of for a long time by the look, but the two lower bolts were loose.so i do not know what is going on .will phone elite performance in the morning and ask if they done it .
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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Thu Feb 13, 2014 5:37 pm 
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manifold bolts on the turbos were known to work themselves loose.

it was even in the sceduled servicing that the manifold bolt be checked for tightness.


seems like with wastegate shut and no B.O.V. somthing will go bang when you give it.

 

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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Thu Feb 13, 2014 6:36 pm 
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sorry guys but i made a mistake ,it is NOT welded shut :oops: .the welded part is a sleeve on the out side , and the shaft is inside of it and it freely moving now. ( sprayed it with inox) just dropped of the turbo to get new bearings and seals fitted and a new compressor wheel that spools up faster . $580 for rebuild and $215 for new wheel
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 Post subject: Re: welded shut waste gate w.t.f.
Posted: Sat Aug 30, 2014 6:40 pm 
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It is quite common on V8 turbo engines to use gold hi temp silicon ONLY on flanges..
Finger tight left overnight then tighten...drilling the outer flange bolt holes larger to let the flange move
With heat prevents manifold from warping ..

 

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