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Author Topic: Omega's new feature  (Read 1350 times)

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Muroman

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Omega's new feature
« on: 20 May 2016, 18:59:42 »

3.0 V6 MV6
~15 000km earlier done headgasket change and everything cleaned.

Have anyone ever experienced something like this??

Couple of tight turns to left with high revs and then flat out straight. Blue smoke cloud 2-3hundred meters like really very big cloud. Stopped for a look no noices but a little smoke.

Drove home just thinking about valve problems. After an hour at home I got an idea what happened and really got it right  ;D So now I've been driving on normal roads and only one morning after that incident came blue smoke on start but not anymore.

The oil accumulated on the right of the engine and as pressed flat straight it came up from the breather hose to the plenum and then down on pistons. This proven by that as I look trough throttle body there's a lot of oil...

Does anyone have some idea how to get rid of this omegas way of lubricating pistons?

-Mika
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Driving dark blue - 1999 - MV6 - Automatic
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Muroman

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Re: Omega's new feature
« Reply #1 on: 20 May 2016, 20:47:20 »

Read something that might be cause cylinder compression goes trough piston ring.... I think this need compression check just in case.
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zirk

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Re: Omega's new feature
« Reply #2 on: 20 May 2016, 22:48:07 »

Too much Oil?, over filled sump.
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Muroman

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Re: Omega's new feature
« Reply #3 on: 21 May 2016, 17:01:07 »

Compressions checked, not too much oil.

-Mika
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05omegav6

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Re: Omega's new feature
« Reply #4 on: 21 May 2016, 17:08:21 »

Were you drifting it at the time?
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Muroman

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Re: Omega's new feature
« Reply #5 on: 21 May 2016, 19:35:24 »

Were you drifting it at the time?

Well yes kinda  ::)
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ted_one

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Re: Omega's new feature
« Reply #6 on: 21 May 2016, 20:20:17 »

Nail on head Al......busted! ::)
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Nick W

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Re: Omega's new feature
« Reply #7 on: 21 May 2016, 20:31:24 »



The oil accumulated on the right of the engine and as pressed flat straight it came up from the breather hose to the plenum and then down on pistons. This proven by that as I look trough throttle body there's a lot of oil...

Does anyone have some idea how to get rid of this omegas way of lubricating pistons?



For the road? Leave it alone.


For your track use? Baffle the breather where it joins the sump. Then run the breather into a sealed catch tank just like track cars have used for decades. Finally block off the holes in the plenum.
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05omegav6

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Re: Omega's new feature
« Reply #8 on: 21 May 2016, 20:51:28 »

Were you drifting it at the time?

Well yes kinda  ::)
There you go then... oil being forced into the breather box and up into one side of the plenum and straight into the 135 bank ::)

Next time turn right ;D
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Muroman

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Re: Omega's new feature
« Reply #9 on: 22 May 2016, 07:58:37 »

Well as on the thight corner omega drifts a little bit in high speeds so the main reason wasn't to drift  ;D

Well I dont only do thight turns on track so I could change the breather style...

Does it matter how you block those plenum holes?
Can I leave the charcoal pipe there and just block the others? How the holes go in there?

-Mika
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Muroman

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Re: Omega's new feature
« Reply #10 on: 25 May 2016, 07:24:07 »

There's somekind of flap in the breather box that is behind the other head. That Should keep the oil in the right place but they say that it worns out and thats why it lets the oil up. Opel workers said that.

I have seen the picture here somewhere how the holes go in the plenum?! Help?

-Mika
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Muroman

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Re: Omega's new feature
« Reply #11 on: 24 October 2018, 06:48:41 »

I ended up blocking the two big breather pipes on plenum and lead the pipes to oil catch tank in front of the idler pulley. I have emptying hole at the bottom of the tank in which I connected 6mm pipe and led that under front bumper where it is easy to put a bucket under it and empty the tank.

Fuel tank fumes pipe and also the smaller breather pipe was left untouched.
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Doctor Gollum

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Re: Omega's new feature
« Reply #12 on: 24 October 2018, 12:29:18 »

I ended up blocking the two big breather pipes on plenum and lead the pipes to oil catch tank in front of the idler pulley. I have emptying hole at the bottom of the tank in which I connected 6mm pipe and led that under front bumper where it is easy to put a bucket under it and empty the tank.

Fuel tank fumes pipe and also the smaller breather pipe was left untouched.
And you wonder why you have high rpm... ::)

This is your air leak... The breather should be closed, not open to air...  ;)
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Kevin Wood

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Re: Omega's new feature
« Reply #13 on: 24 October 2018, 12:38:13 »

I ended up blocking the two big breather pipes on plenum and lead the pipes to oil catch tank in front of the idler pulley. I have emptying hole at the bottom of the tank in which I connected 6mm pipe and led that under front bumper where it is easy to put a bucket under it and empty the tank.

Fuel tank fumes pipe and also the smaller breather pipe was left untouched.
And you wonder why you have high rpm... ::)

This is your air leak... The breather should be closed, not open to air...  ;)

Yes, indeed. You have created a leak of unmetered air into the intake.

If you want to use a catch tank, then you need to block the smaller breather pipe from the plenum in addition.
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Muroman

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Re: Omega's new feature
« Reply #14 on: 25 October 2018, 05:45:47 »

Now I get it. the smaller breather pipe..... **** haven't thought of that....
« Last Edit: 25 October 2018, 05:50:41 by Muroman »
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Driving dark blue - 1999 - MV6 - Automatic
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