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Registered:
February 2003
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AE82 sump (factory hole) suited for turbo oil return?
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Wed, 23 March 2005 22:56
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hey peeps
just wondering if the AE82 sump (with the factory oil cooler hole) will suit my turbo setup for an oil return line?
I'm just wondering where it is positioned on the sump (how high, what fittings etc, and if anyone does/does not recommend this.
thanks
ps. anyone have one lying around if so?
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Registered:
February 2003
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 02:44
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bump
calling all 4agte doctors 
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Location:
Arthurs Creek, Victoria
Registered:
May 2002
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 04:36
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I have no idea what the size of the drain hole your talking about is,
but the thing with an oil return is that it's gravity fed, so it MUST be reasonably below the turbo.
So in short, ensure you don't have any areas in your drain plug where you will have oil pooling.
Other than that, the oil that comes out of the turbo will be frothy and airated, but other than that, it's still the same amount of oil that goes into the turbo by the oil feed at the top.
But, whatever you do, DON'T cause a scenario where the oil can't get out and goes stale in the turbo. It'll kill the center very quickly.
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Location:
sunny coast, qld
Registered:
October 2002
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 04:52
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Thanks for that Stradlater. That is a probable cause for my oil light coming on then? Mine isn’t quite downwards the whole time.
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Location:
Arthurs Creek, Victoria
Registered:
May 2002
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 05:10
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That's alright...
It could be the cause of your oil light coming on, not sure about that one, I'd be checking first your oil level and then your oil sensor, make sure that the sensor is OK, then check that the sensor is infact that right sensor for that dashboard.
Also, with the oil drain pipe, it's important that it never goes fully horizontal at any point.
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Registered:
February 2003
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 05:36
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yeah i'm aiming at having mine as direct as possible, diagonal and near to straight.
but the real query was:
Is the position of the hole on the sump high enough for an oil drain? or is it too low so the oil will 'pool' and clog from being too low?
I've also been searching and found that people have used a punch/hammer to make a hole in their sumps WITHOUT taking the engine off the mounts/crossmember off.
Will this work? It'd save me alot of headfucking
advice? experience?
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Location:
Arthurs Creek, Victoria
Registered:
May 2002
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 06:13
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Well, I don't really know what your sump looks like, nor how high the drain point is, so I can't really help you on that one.
as a point of reference though, the 1g drain hole sits at the absolute bottom of the block only mm's above where the sump joins the block.
So the oil always flows in, down the side of the block and into the sump.
At a guess though I would imagine that an oil cooler would have to somehow be pressurized to force the oil through the core? so the return point height may not be a crucial part of it's positioning?
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Registered:
February 2003
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 06:28
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hmm yeah i was thinking that putting a hole as high as possible would be best as opposed to the factory hole (which i'm still unsure of how high/low it sits).
| stradlater wrote on Thu, 24 March 2005 17:13 |
At a guess though I would imagine that an oil cooler would have to somehow be pressurized to force the oil through the core? so the return point height may not be a crucial part of it's positioning?
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true. I'm just wondering HOW far up it is, and is it worth the hassle of taking the sump off and putting that one on and being just as effective.
Now i'm thinking, drain the sump half empty of oil, use a small drill bit and increase sizes driling through minimising shavings, and then braize a pipe into it. Run the engine and re-oil it a few times ?!?!
am i performing al quada actions? or is it still sane to do it like that?
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Location:
BRAY PARK BRISBANE
Registered:
March 2005
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 06:32
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last thing you want is shavings in your oil does wonders for your barings. 
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Registered:
February 2003
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 06:37
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yeah, what im thinking is, after i've braised the pipe on, i'll put the drain plug back in, top her up, drain it, top it up, drain it for about 10 times and see if any shavings are present.
hmmm 
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Location:
Melbourne
Registered:
May 2004
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Re: AE82 sump (factory hole) suited for turbo oil return?
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Thu, 24 March 2005 07:51
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Hey Des i have one of those sumps in the shed but i think im gonna use it....
The drain is right up the top of the sump. It is a push the hose on the pipe and use hose clamp style fitting and is about 6mm in diameter.
Have fun.
Jezza
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