Oil overflow

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Oil overflow

Postby simontaylor » Fri Jun 30, 2006 8:00 pm

Just been out for a quick spin and to fill her up, after a quick roundabout I looking in the rear view mirror and the engine bay was FULL of oil smoke.

It looks like the oil has come out of the top of the dipstick, it is oily all round and over the rocker cover and dripping down onto the manifolds.

Oil level is about half a mm below the max mark. I can't think that the sump is under any great pressure so I'm guessing just enough has sloshed over to that side of the sump and a little pressure is enough to help it up and out of the spout. But why, I have not put any oil in it this year.

Has any one experienced this or ever over filled the sump with oil?
1986 : '86 GTA v6 BW-EFR turbo, with Adaptronic ECU
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2008 : Rushmoor & Eelmoor & ACSMC Hillclimb class Champion
2009 : Longcross & Eelmoor
2010 : Crystal Palace & Eelmoor
2016 : Rushmoor & 5th O/A
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Postby clee » Fri Jun 30, 2006 8:23 pm

Yep.. :lol: does it all the time after a sharp right :twisted:
Have you removed the heat shield over the exhaust :?: Thats good for a laugh :roll:


P.S 1/2 a mm below max :lol: :lol: :lol: Damn :!: your eyes must have a zoom function :!:
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Postby simontaylor » Fri Jun 30, 2006 8:47 pm

lee, at this moment in time I don't need a laugh, I do have the shield there and it is covered in oil too. I have a sprint at Castle Coombe tomorrow, so am rather keen to sort it now. Does it make much difference if I drain out a pint of oil from the sump?

PS, might not have been 1/2 a mm, but it was just below max, by a tiny fraction.
1986 : '86 GTA v6 BW-EFR turbo, with Adaptronic ECU
Firsts at
2007 : Gurston Down & RAOC Champion
2008 : Rushmoor & Eelmoor & ACSMC Hillclimb class Champion
2009 : Longcross & Eelmoor
2010 : Crystal Palace & Eelmoor
2016 : Rushmoor & 5th O/A
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Postby clee » Fri Jun 30, 2006 9:15 pm

I wouldn't think a pint less will do any harm but better to wrap/seal the dipstick end with some self amalgamating tape for the event .
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Postby simontaylor » Fri Jun 30, 2006 9:15 pm

Right, I'm goins "as-as", if there is loads of smoke during the day, I'll just have to drian a bit out......
1986 : '86 GTA v6 BW-EFR turbo, with Adaptronic ECU
Firsts at
2007 : Gurston Down & RAOC Champion
2008 : Rushmoor & Eelmoor & ACSMC Hillclimb class Champion
2009 : Longcross & Eelmoor
2010 : Crystal Palace & Eelmoor
2016 : Rushmoor & 5th O/A
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Postby clee » Fri Jun 30, 2006 9:25 pm

simontaylor wrote:Right, I'm goins "as-as", if there is loads of smoke during the day, I'll just have to drian a bit out......


There's no smoke without ...................tape the tube end .The sumps not baffled you're bound to get some escaping if your throwing it round the corners .
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Postby simontaylor » Fri Jun 30, 2006 9:49 pm

Thanks lee, tape it is.
1986 : '86 GTA v6 BW-EFR turbo, with Adaptronic ECU
Firsts at
2007 : Gurston Down & RAOC Champion
2008 : Rushmoor & Eelmoor & ACSMC Hillclimb class Champion
2009 : Longcross & Eelmoor
2010 : Crystal Palace & Eelmoor
2016 : Rushmoor & 5th O/A
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Dipstick

Postby Miles » Sat Jul 01, 2006 7:15 pm

Simon have you checked to make sure your breather system is not over pressurised i.e blocked.

Start engine remove dipstick and make sure air is not trying to blast out.
Had this fault on an omega v6. car was always leaking oil from the rocker cover gaskets.
Blocked breather system.
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Postby Stunned Monkey » Mon Jul 03, 2006 12:13 am

Crank case should be under vacuum at idle, moderate pressure at full throttle and in the case of the turbo engines, boosted - which is why the oil pressure cap is clipped on (the DeLoreans with aftermarket turbo kits have a habit of blowing their oil breathers out :-) )

A cheekier solution would be to disconnect the catch tank assembly from the inlet manifold. This will prevent the crank case from being boosted and it will be able to vent back up through the catch tank. You could re-plumb the vent up-stream of the turbo so the fumes carry on going into the engine just like every other PRV. The snag to this is crank case fumes going through the turbo.

Martin
Martin - PRV Tinkerererer
www.delorean.co.uk
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Postby simontaylor » Mon Jul 03, 2006 7:09 am

Miles, Martin,

Good ideas, i'll check them out.

thanks..... Simon.
1986 : '86 GTA v6 BW-EFR turbo, with Adaptronic ECU
Firsts at
2007 : Gurston Down & RAOC Champion
2008 : Rushmoor & Eelmoor & ACSMC Hillclimb class Champion
2009 : Longcross & Eelmoor
2010 : Crystal Palace & Eelmoor
2016 : Rushmoor & 5th O/A


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