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Registered:
June 2003
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Location:
Brisbane
Registered:
February 2003
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Re: Do watercooled turbos have to be watercooled?!?
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Sun, 14 December 2003 09:58
 
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i would think that they designed the bearing housing to require cooling fluid and oil. anyway, heat is the enemy of turbo bearings, the more heat you can remove the longer the bearings last.
In the garret turbo in my celica, the amount of oil being fed into the bearing housing would not take away the amount of heat that the water jacket could.
...you could experiment by seeing how long it lasts without water supply? 
also, would be interested in selling the flange that feeds oil to/from the older (non water cooled) CT20? (i've got a CT20 but no plumbing to connect oil feed to bearing housing)
charles.
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Registered:
June 2003
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Re: Do watercooled turbos have to be watercooled?!?
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Sun, 14 December 2003 10:05
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true but as far as i can the see the main bearing housing is still identical the water cooled version just has a water jacket slapped around her? ;p
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I supported Toymods
Location:
Plumpton/sydney
Registered:
November 2003
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Re: Do watercooled turbos have to be watercooled?!?
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Sun, 14 December 2003 10:13
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No they don't need to be water cooled they will run just fine with out it.
Just makc sure that you don't get a heep of shit in it
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Registered:
June 2003
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Re: Do watercooled turbos have to be watercooled?!?
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Sun, 14 December 2003 10:16
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think it would adversely effect outlet temps?
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Location:
Brisbane
Registered:
May 2002
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Re: Do watercooled turbos have to be watercooled?!?
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Sun, 14 December 2003 14:44
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The water cooling is there for the longevity of the turbo more than anything else; it has nothing to do with outlet temperatures, since the vast majority of the heat is generated simply by compressing the air. Basic thermodynamics.
Go ahead and run your watercooled turbo without water cooling, but you'd be wise to idle it down extra long every time you shut it off.
Having said that, a couple of T-pieces in your heater hoses and you've got water cooling sorted... not really that hard to do!
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Do watercooled turbos have to be watercooled?!?
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Mon, 15 December 2003 01:04
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Two T pieces, 1 metre of heater hose, 6 hose clamps and 30 minutes of your time - $30
versus
Reco turbo - $400
I don't even understand why the question was asked. It's not some incredible intellectual challenge.
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Location:
Melbourne
Registered:
November 2003
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Re: Do watercooled turbos have to be watercooled?!?
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Mon, 15 December 2003 03:07
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Can I ask a stupid question?...
This is assuming that you are hooking the turbo cooling up to the heater lines... If not, can you elaborate on how you would hook the hoses up?
Does any coolant flow through the heater hoses if the heater valve is shut? Would you have to create a bypass at the heater valve to ensure constant coolant flow?
I'm assuming different cars use different mechanisms for delivering hot coolant to the heater core, but in my TA22 I'm fairly sure that no coolant flows in the heater lines unless the valve is open.
Cheers,
Dan
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Do watercooled turbos have to be watercooled?!?
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Mon, 15 December 2003 04:21
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You would bypass the heater - in other words you'd plumb it in parallel.
If for some bizarre reason this was impossible, then you could T piece the radiator hoses or even tap in some fittings.
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Location:
Melbourne
Registered:
May 2002
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