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[dublin.jd]

The oil is leaking externally from the gaskets on the outer edges. That's why it ain't getting to plug wells. It is burning off on exhaust manifolds as I can taste the smoke at traffic lights etc. I believe the gaskets failed due to their age rather than blocked breathers as I clean them regularly.
All of that is irrelevant to why I started this thread.

[omega3000]

You seem to be looking for a problem that doesn't exist...

You say the car is dumping half a litre of oil on your drive every week, and that it's coming from the cam covers. Yet the plug wells are dry, the vee is dry and it's not burning off the exhaust on the way to the drive...

Call me what you want, but your camcovers are the least of your leaks... Oil pressure switch, crank seal front/rear, both sump gaskets... All likely suspects based on what you have said/suggested

Just reminded me to check mine from 2 weeks a go 

[tunnie]

The oil is leaking externally from the gaskets on the outer edges. That's why it ain't getting to plug wells. It is burning off on exhaust manifolds as I can taste the smoke at traffic lights etc. I believe the gaskets failed due to their age rather than blocked breathers as I clean them regularly.
All of that is irrelevant to why I started this thread.

The plug wells are also surrounded by the gasket, its very common, if not in all cases for them to fail here to, leading to oil in the plugs. It would have to be pishing out at a serious rate to be loosing 1/2 litre a week from cam covers alone. It takes very little oil to make a big burning smell, just a few small drops, for that kind of oil consumption you have another issue that needs investigating.

With basic maintenance, genuine gaskets & sealant along with regular oil changes, should see no problems and a need for your suggested modification.

[zirk]

Are you using any Oil Additives like Slick 50?, as Slick 50 in particular can start to form a bake on effect, as well as blocking breather pipes, if it starts to seep through can cause havoc with Gasket Sealant. 

[dublin.jd]

No additives used. And 10w 40 semi syntethic. As I said earlier I don't know if the gaskets have ever been done and with 98k on clock they must be overdue a changing. Again I only use original GM parts.
Breathers are clean and doing what they were designed to do. Also the car drives fine, even with eml on due to the short term fuel trim codes.

I was "JUST CURIOUS" to see if anyone had ever modified the original set up or if they had any ideas.

I'm fed up repeating myself and going round in circles.

In future i'll keep my curiousity to myself, and think twice before I ask a question!   

Thanks again to the people who took the time to offer relevant advice, whether they thought it was a good idea or not.

[zirk]

Calm down, Im not asking you to repeat yourself, was just asking if youve put any oil additive in there!

FFS.

[dublin.jd]

Calm down, Im not asking you to repeat yourself, was just asking if youve put any oil additive in there!

FFS.

Sorry mate, that rant wasn't directed at u the first half of post was. 

[chrisgixer]

No point asking questions then ignoring the answers though

[chrisgixer]

Where did you get the maf btw?

[Sir Tigger KC]

No point asking questions then ignoring the answers though

No point in giving answers that don't answer the question either. 

[chrisgixer]

No point asking questions then ignoring the answers though

No point in giving answers that don't answer the question either. 

But they do. Oh they so do!

[omega3000]

I think you will be the first to modify , so guinea pig so to speak 

[Webby the Bear]

If I wanted to test this I'd do what Entwood suggested re modifying the oil filler cap and post up results. Then there'll be no argument. 

[Sir Tigger KC]

If I wanted to test this I'd do what Entwood suggested re modifying the oil filler cap and post up results. Then there'll be no argument. 

The oil cap was a good suggestion from Entwood and I reckon all it would take is to drill a hole through it and plug it with a bit of silicone. 

Not very scientific I know.....     

[Webby the Bear]

If I wanted to test this I'd do what Entwood suggested re modifying the oil filler cap and post up results. Then there'll be no argument. 

The oil cap was a good suggestion from Entwood and I reckon all it would take is to drill a hole through it and plug it with a bit of silicone. 

Not very scientific I know.....   

It would be scientific if you took vacuum readings before/after