Yellow Oil Light

[rstoughy]

Had the yellow oil light pop up upon shut down of the engine yesterday.

Id just done a run of over 150 miles over some of scotlands best roads through the Grampian Mountains so plenty of elevation changes etc etc.

Has not happened since.

Just the up's and downs of the hills or low on oil???
Car historically doesnt use oil that much so was a little surprised as I had it changed only 1500miles ago.

Just a top up required??

[SpineOnABap]

Did you take an instantaneous reading?

[Trawler]

What was your last long term reading? Was there no indication the level was dropping? Was it filled up to max at the last oil change? I would put in 0.2l, drive it for a short distance to see if the problem (yellow light) reoccurs. I need to check the hand book, but I believe you can drive for a short distance before needing to top up so no damage should result. Instantaneous reading will then give you an idea if you are low or high

[shane@mbtech]

If in doubt, remove airbox and check dip stick. Takes 5 mins. Whilst your there clean out the intake trumpets. No 5 and 6 will be filthy. :thumbs:

[NZ_M3]

or the oil level sensor itself crapping out as they do on all crappy BMW sensors ....

[rstoughy]

Spot on :thumbs: :thumbs:

Think your right Shane, i'll pop the airbox tomorrow and check with the stick just to be sure :smokin:

[cantfind1]

If in doubt, remove airbox and check dip stick. Takes 5 mins. Whilst your there clean out the intake trumpets. No 5 and 6 will be filthy. :thumbs:

God knows why none of you have not fitted oil catch cans yet??
Get rid of that breather hose polluting your throttle bodies, ICV, air rail, trumpets and inside the airbox!

[rstoughy]

If in doubt, remove airbox and check dip stick. Takes 5 mins. Whilst your there clean out the intake trumpets. No 5 and 6 will be filthy. :thumbs:

Filthy is an understatement Shane :bigcry: they were utterly cacked :bigcry:
All nice and clean now though.


God knows why none of you have not fitted oil catch cans yet??
Get rid of that breather hose polluting your throttle bodies, ICV, air rail, trumpets and inside the airbox!

Anyone done the above on the CSL?
Looking at the state of the inside of the airbox it would be something worth considering i think.

[DuncanR]

God knows why none of you have not fitted oil catch cans yet??
Get rid of that breather hose polluting your throttle bodies, ICV, air rail, trumpets and inside the airbox!mmmm we are listening ...

[Bounce]

Did it need topping up Paul,or was it ok on the dip stick.

[rstoughy]

Did it need topping up Paul,or was it ok on the dip stick.

Not really Brett, was just below the max line, gave it a splash though anyway and after a run its seems to be fine :smokin:

[Bounce]

Not really Brett, was just below the max line, gave it a splash though anyway and after a run its seems to be fine :smokin:Nice one.;)

[sailorbaz]

Regarding your trumpets (ooooerrrr) had you ever removed the airbox before? I cleaned mine last year and then this year when I went in to clean it out again, it wasn't too bad. But I suppose, 4K in a year doesn't really warrant that much regular cleaning for myself.

First time I done it though, around 30K miles when I fitted the ITG Filter, they were black as fook. The guys in the shed fitting the lights thought I was a crazy man with the hoover in the airbox sucking out the dust, dirt and sand. God know where that all come from, but you just never know.

Glad you got sorted with your oil though, might be a sensor on its way out. I was quoted £100 to fit one by the dealers but I doubt it'd be that much if you had it done together with an Oil Service? Warranty though? Hmmm

[rstoughy]

No never removed it Baz, only time its been open was while in the garage for its insp II so probably only had a dicht with a cloth.

While i have it apart over the winter i think i'll do the regular M3 dip stick conversion as Tom mentioned.

[cantfind1]

Here you go this is mine, not only keeps intake clean, but stops blow by gasses mixing with your intake mixture, which decreases the octane rating of the mixture.


http://i595.photobucket.com/albums/tt37/cantfind1/IMG_20111019_155342.jpg

[The Gorilla]

Hi,

Quote- '' but stops blow by gasses mixing with your intake mixture, which decreases the octane rating of the mixture.''


How ?


Regards,


The Gorilla.

[northernjim]

Hi,

Quote- '' but stops blow by gasses mixing with your intake mixture, which decreases the octane rating of the mixture.''


How ?



Is the s54 engine known to suffer from increased crankcase pressure from 'leaky' piston rings then?

[northernjim]

Oh and.....

God knows why none of you have not fitted oil catch cans yet??



does it not come with a catch tank then as standard???

[rstoughy]

Oh and.....




does it not come with a catch tank then as standard???

No Jim,
Its just the same sort of set up as any other regular motor, it feeds from that breather on the cam cover over to the airbox where the vapour then gets recycle'd through the intake.

The BIG question though.....is a catch tank a worthwhile addition????

[rstoughy]

Here you go this is mine, not only keeps intake clean, but stops blow by gasses mixing with your intake mixture, which decreases the octane rating of the mixture.


http://i595.photobucket.com/albums/tt37/cantfind1/IMG_20111019_155342.jpg

Notice you also have a dipstick tucked away in there, is that just the regular e46 M3 mod that Tom has mentioned?? :smokin:

[cantfind1]

Hi,

Quote- '' but stops blow by gasses mixing with your intake mixture, which decreases the octane rating of the mixture.''


How ?


Regards,


The Gorilla.


How what?

How does it stop gases going into the intake, well the hose no longer goes into the intake thats how.

Hot gases that come out of the crankcase breather no longer feed back into the intake and mix with cold fresh air. Simples

[cantfind1]

Is the s54 engine known to suffer from increased crankcase pressure from 'leaky' piston rings then?

No but all engines breathe. This stops that breathing re entering your clean intake air and gumming up your trumpets,throttle bodies,air rail etc etc. Also any oil that is in that breather won t be going in your airbox etc.

S54 does not/should not breathe much oil if any. Have had mine installed for a year and have not empied it once, in fact the sight tube on the side of the catch can shows no oil, but looking in from the top there is some in there.

[The Gorilla]

Hi,

How does the re-routing of a breather
pipe alter the ''Octane'' rating of the fuel mix ?

I fitted a small Oil Catch Tank on my E30 M3 a number
of years ago, [S54, CSL Engine] but the ''Octane''
rating of the fuel mix has never altered.

Its never had anything in it hence why I did not waste
the money repeating, for the CSL.


Regards,

The Gorilla.

[northernjim]

Hi,

How does the re-routing of a breather
pipe alter the ''Octane'' rating of the fuel mix ?

Regards,

The Gorilla.

I think its more of a case of ensuring that the oil vapour cannot re-enter the engine, whereas as it's plumbed as standard there is a chance that it could....

[cantfind1]

The Vapour that comes out of the crankcase breather goes straight into the intake. This vapour then mixes with the fresh air coming in through the Airbox/Filter.

This air/mix is then taken into the throttle bodies and mixed with the fuel in the combustion chamber.

Hence this cylinder mixture now not only contains fuel and air(as it should), but oil vapour from the engine and possibly some oil.

Its this vapour and oil particles which decreases the octane rating of that cylinder at that particular instant.

[cantfind1]

Tell you what, turn your engine on leave it idling.

Remove the breather hose at the end that fits into the airbox, see how much dirty vapour is coming out at idle. If you like take a smell!

Its hot gas and full of hydrocarbons. Not what you really want going back into your intake.

As your RPM increases the volume of vapour increase...

[The Gorilla]

Hi,

The 'volume' of Oil particles returned
to the Plenum which are then subsequently
''re-used'' would not make any difference to
the Octane of the Fuel entering the
engine whatsoever.

Oil Vapours do not have the ability to
alter the Octane /Mix of any given Fuel.

''An octane number is a measure of gasoline's ability to resist pre-ignition, also known as "knocking" or "pinging".
Octane is a rating, similar to a ratio of measurement, not a substance chemical or product you can add to gas. Determining octane measurements involves a complex methodology.''

Above extracted from a Paper on Fuel Sampling and Testing.

Oil vapours, if there was enough of it,
might alter Air Density, but on the
total Volume entering into a S54 which
if I remember correctly is something around
475 gpm, then the small volume being
re-cycled would be so slight as it would not make
any difference in the real world.

Regards,

The Gorilla.

[shane@mbtech]

Gorilla was being a bit of a pedant, but we know he means well. ;)

[shane@mbtech]

Hi,

The 'volume' of Oil particles returned
to the Plenum which are then subsequently
''re-used'' would not make any difference to
the Octane of the Fuel entering the
engine whatsoever.

Oil Vapours do not have the ability to
alter the Octane /Mix of any given Fuel.

''An octane number is a measure of gasoline's ability to resist pre-ignition, also known as "knocking" or "pinging".
Octane is a rating, similar to a ratio of measurement, not a substance chemical or product you can add to gas. Determining octane measurements involves a complex methodology.''

Above extracted from a Paper on Fuel Sampling and Testing.

Oil vapours, if there was enough of it,
might alter Air Density, but on the
total Volume entering into a S54 which
if I remember correctly is something around
475 gpm, then the small volume being
re-cycled would be so slight as it would not make
any difference in the real world.

Regards,

The Gorilla.


But it keeps your trumpets cleaner you numpty:hahaha:.

I agree it will make fuck all performance difference, but if it makes people think it helps the engine run better, then let them do it.

Its all relative to personal appiness, :beer:

Edited to add, I reckon if you add oil to fuel it might raise the "octane" slightly

[Bounce]

But it keeps your trumpets cleaner you numpty:hahaha:. :hahaha::hahaha:

[The Gorilla]

Hi,

Quote-''Gorilla was being a bit of a pedant, but we know he means well.

Lawsy- The above made the old Primate chuckle.

For sure they can buy their Thomas Fandangle parts to keep
their 'Trumpets' clean, but its when the laws of ''''Phisics''''
are re-written its gets a bit rich, or in this case lean.

Regards,

The Gorilla.

[cantfind1]

Whatever, that's why all race engines feed their dirty breather air back into the intake.........! The only reason road cars have it is for emission requirements. You can also throw away your secondary air pump for that matter!

It does not change the octane rating of the fuel entering the engine, once a given cylinder is filled with Fuel/air/oil vapour mix this is where the knock characteristics of the mixture are changed by the oil vapour. Oil fumes induce knock so effectively reduces the octane of the mixture going into the engine.

Call it octane, call it whatever you like but the mixture is no longer pure air/fuel with the added oil vapour.

Oil vapours increase detonation, so your engine will run less timing. Hence less power! Its a known fact that oil degrades fuel quality when mixed.

Mr Gorilla you are not right all the time, in fact I don't suppose you have found the extra fuelling tables in the CSL map files for when sport mode is on have you?

Probably because there isn't one!

I don't see why you are arguing to be fair.

Oil catch cans are a proven technology for engines, why I am bothering to explain what is already known throughout the industry is beyond me!

[cantfind1]

But it keeps your trumpets cleaner you numpty:hahaha:.

I agree it will make fuck all performance difference, but if it makes people think it helps the engine run better, then let them do it.

Its all relative to personal appiness, :beer:

Edited to add, I reckon if you add oil to fuel it might raise the "octane" slightly

And Lawsy if you don't think that removing oil vapour and carbon from your intake helps your engine run better and cleaner then why bother cleaning the trumpets at all??

[cantfind1]

Hi,

The 'volume' of Oil particles returned
to the Plenum which are then subsequently
''re-used'' would not make any difference to
the Octane of the Fuel entering the
engine whatsoever.

Oil Vapours do not have the ability to
alter the Octane /Mix of any given Fuel.

''An octane number is a measure of gasoline's ability to resist pre-ignition, also known as "knocking" or "pinging".
Octane is a rating, similar to a ratio of measurement, not a substance chemical or product you can add to gas. Determining octane measurements involves a complex methodology.''

Above extracted from a Paper on Fuel Sampling and Testing.

Oil vapours, if there was enough of it,
might alter Air Density, but on the
total Volume entering into a S54 which
if I remember correctly is something around
475 gpm, then the small volume being
re-cycled would be so slight as it would not make
any difference in the real world.

Regards,

The Gorilla.

On a personal note I don't really appreciate your tone.

If you want to teach someone to suck eggs mate, go do it to someone else!

I am well aware of what an octane rating is and yes it is just a number.

Your figure of 475gpm is at what RPM by the way? This figure changes with engine load, as does the amount of vapour that the engine breathes(blow-by).
And if this so called oil vapour/ particles/ oil is not entering our engines in great volumes then how does the plenum/ ICV/ Air rail/ trumpets get so dirty?? Because in the "real world" as you put it, it seems most people on here suffer from extremely dirty/oil coated/ carbon deposited trumpets, throttle butterflies, etc etc....

[shane@mbtech]

And Lawsy if you don't think that removing oil vapour and carbon from your intake helps your engine run better and cleaner then why bother cleaning the trumpets at all??

I agree it's not great, and I know it's all emissions bollocks.

I know what the vapours etc will do that's why I said gorilla was being a little pedantic.

But and it's a big but, do you think your car is faster because you have fitted an oil catch tank?

[The Gorilla]

Hi,

Cantfind1- as you do not like the tone I will
keep this very short and simple for you.

Oil Catch Tank is so that Race Cars do not
deposit oil on to the Race Track. Period.

The clue is in its title.

It does not make any Car faster or perform better
no matter how you want to 'spin it'.

As you seem so far up yourself then I wish you
and your Catch Tank many happy miles
together.

Regards,

The Gorilla.

[cantfind1]

Hi,

Cantfind1- as you do not like the tone I will
keep this very short and simple for you.

Oil Catch Tank is so that Race Cars do not
deposit oil on to the Race Track. Period.

The clue is in its title.

It does not make any Car faster or perform better
no matter how you want to 'spin it'.

As you seem so far up yourself then I wish you
and your Catch Tank many happy miles
together.

Regards,

The Gorilla.

Up myself.....That's funny coming from you! How about contributing to the site and becoming a member.......wait, or are you are too good for that?

[cantfind1]

I agree it's not great, and I know it's all emissions bollocks.

I know what the vapours etc will do that's why I said gorilla was being a little pedantic.

But and it's a big but, do you think your car is faster because you have fitted an oil catch tank?

Faster is a whole other question! Who knows, but what I do know is that I no longer have crap entering my intake and fouling it up. A clean engine always works more efficiently than one covered in carbon deposits.

If I ever meet you than you can have a drive and decide for yourself.:thumbs:

[DuncanR]

But and it's a big but, do you think your car is faster because you have fitted an oil catch tank? No cos its heavier Lawsy !:hahaha:

Up myself.....That's funny coming from you! How about contributing to the site and becoming a member.......wait, or are you are too good for that?I think we can excuse people from not noticing that they have been relegated from Bold blue to not so bold, tbh I had missed it myself until a few days ago.
I hate it when we have obviously knowledable people on here, who then sadly fall out over a certain issue.:banghead:
Being a bit fick, I cant comment regards the more technical apsects of this discussion, but I can see the merit of an oil catch can, should anyone choose to fit one, thank you both for your continued contributions, it is appreciated really !... Im off to blow my own trumpets now ! .. bet mine are well gunked up, If i sprayed Sambuca into the intake along with a lighted match, would it burn it off?? :smt102

[The Gorilla]

Hi,

Cantfind1- your basing your views on your
own experince.

I will say yet again that I have yet to see any
oil deposits in the small catch tank fitted to my E30 M3
, S54 Engine, over 4 years ago.

The Carbon Plenum on my CSL is dry, no
oil deposits. no vapours etc.

Therefore maybe your car has worn Valve
stem seals or guides and in experincing oil
blow by, your Airbox is in your words, ''Coated
in Carbon and Oil deposits''.

Mine is not.

As regards your other churlish nonsense I will just
put that down to the time of the month.

Regards,

The Gorilla.

[DuncanR]

As regards your other churlish nonsense I will just put that down to the time of the month.

Regards,

The Gorilla.Thats more like it ... now we are getting along nicely !!:hahaha:

[Bounce]

Thats more like it ... now we are getting along nicely !!:hahaha::hahaha::hahaha:Im ready for the next round:axe:

[Yanto]

:smt024 V :smt024 = :smt071

= :smt018

:weedman::weedman::weedman:

X :smt033:smt033:smt033
+ :drinkers::drinkers::drinkers:

= :smt056:smt056:smt056

+ :smt054:smt054:smt054

= :beer:

Merry Xmas :smt114

:thumbs:

[shane@mbtech]

:smt024 V :smt024 = :smt071

= :smt018

:weedman::weedman::weedman:

X :smt033:smt033:smt033
+ :drinkers::drinkers::drinkers:

= :smt056:smt056:smt056

+ :smt054:smt054:smt054

= :beer:

Merry Xmas :smt114

:thumbs:


Fuck me, E=MC2 was easier:hahaha:

[cantfind1]

:smt024 V :smt024 = :smt071

= :smt018

:weedman::weedman::weedman:

X :smt033:smt033:smt033
+ :drinkers::drinkers::drinkers:

= :smt056:smt056:smt056

+ :smt054:smt054:smt054

= :beer:

Merry Xmas :smt114

:thumbs:

Pissing myself laughing!:thumbs:

[cantfind1]

Hi,

Cantfind1- your basing your views on your
own experince.

I will say yet again that I have yet to see any
oil deposits in the small catch tank fitted to my E30 M3
, S54 Engine, over 4 years ago.

The Carbon Plenum on my CSL is dry, no
oil deposits. no vapours etc.

Therefore maybe your car has worn Valve
stem seals or guides and in experincing oil
blow by, your Airbox is in your words, ''Coated
in Carbon and Oil deposits''.

Mine is not.

As regards your other churlish nonsense I will just
put that down to the time of the month.

Regards,

The Gorilla.


I think it is you who is basing your views on your own experience as you seem to keep talking about your e30 M3 with an S54 engine!

Which, magically does not have any blow by?? Unlike every other engine built in the history of the world!?? Do a search on here about dirty throttle butterflies and trumpets and the rest.....go on any turbo forum and see how blow by affects their engines/turbos......

Yes I am sure when I rebuilt my engine with ARP Head bolts, conrod bolts, new valve seals, clamshell bearings, schrick cams, new pistons and rings the list goes on....that's probably why I am experiencing blow by your right. My mistake....:whistle:

Blow-by is caused when a combustion in the engine forces fuel, air, and moisture past the piston rings and into the crankcase/sump. From there, the blow-by is released by the crank case vents and back into the intake pipe. Hence why the breather tube is attached to the crankase breather valve, surprised you seem to think it comes from worn valve seals, with all your knowledge.

And as for it being my time of the month, it seems you assume that I am a male and that that would be an insult...... what it in fact shows is that you are chauvinistic and sexist and I am sure CSLgirl will be along shortly to set you straight and take a piece out of you as well for that matter!

By the way you don't need to sign your name at the end of each of your posts we can see who has written it!:smokin:

[cantfind1]

:hahaha::hahaha:Im ready for the next round:axe:

Ding Ding!!:thumbs:

[The Gorilla]

Hi,

Quote-

''I think it is you who is basing your views on your own experience as you seem to keep talking about your e30 M3 with an S54 engine!

Which, magically does not have any blow by?? Unlike every other engine built in the history of the world!?? Do a search on here about dirty throttle butterflies and trumpets and the rest.....go on any turbo forum and see how blow by affects their engines/turbos......

Yes I am sure when I rebuilt my engine with ARP Head bolts, conrod bolts, new valve seals, clamshell bearings, schrick cams, new pistons and rings the list goes on....that's probably why I am experiencing blow by your right. My mistake....

Blow-by is caused when a combustion in the engine forces fuel, air, and moisture past the piston rings and into the crankcase/sump. From there, the blow-by is released by the crank case vents and back into the intake pipe. Hence why the breather tube is attached to the crankase breather valve, surprised you seem to think it comes from worn valve seals, with all your knowledge.

And as for it being my time of the month, it seems you assume that I am a male and that that would be an insult...... what it in fact shows is that you are chauvinistic and sexist and I am sure CSLgirl will be along shortly to set you straight and take a piece out of you as well for that matter!

By the way you don't need to sign your name at the end of each of your posts we can see who has written it! ''


Cantfind1- Worn Valve guides will
cause engine blow by.

See, I was sure it was all your female
hormones that were at conflict, playing on your insecurties.

Confirmed in your last sentence where you
now write ''we'' as opposed 'i''.

I am guessing that your the 'self elected'
spokeperson for this 'Group' your referring to,
ie ''Mouthpiece''.


Regards,

The Gorilla.

[rstoughy]

So,

reading between the lines then :bigcry: :bigcry:

catch tank = No
Oil separator = Good idea (to keep clean trumpets)
Or just a good old dicht with a cloot once a year ;)

[cantfind1]

Hi,

Quote-

''I think it is you who is basing your views on your own experience as you seem to keep talking about your e30 M3 with an S54 engine!

Which, magically does not have any blow by?? Unlike every other engine built in the history of the world!?? Do a search on here about dirty throttle butterflies and trumpets and the rest.....go on any turbo forum and see how blow by affects their engines/turbos......

Yes I am sure when I rebuilt my engine with ARP Head bolts, conrod bolts, new valve seals, clamshell bearings, schrick cams, new pistons and rings the list goes on....that's probably why I am experiencing blow by your right. My mistake....

Blow-by is caused when a combustion in the engine forces fuel, air, and moisture past the piston rings and into the crankcase/sump. From there, the blow-by is released by the crank case vents and back into the intake pipe. Hence why the breather tube is attached to the crankase breather valve, surprised you seem to think it comes from worn valve seals, with all your knowledge.

And as for it being my time of the month, it seems you assume that I am a male and that that would be an insult...... what it in fact shows is that you are chauvinistic and sexist and I am sure CSLgirl will be along shortly to set you straight and take a piece out of you as well for that matter!

By the way you don't need to sign your name at the end of each of your posts we can see who has written it! ''


Cantfind1- Worn Valve guides will
cause engine blow by.

See, I was sure it was all your female
hormones that were at conflict, playing on your insecurties.

Confirmed in your last sentence where you
now write ''we'' as opposed 'i''.

I am guessing that your the 'self elected'
spokeperson for this 'Group' your referring to,
ie ''Mouthpiece''.


Regards,

The Gorilla.

I think you need to do some reading! Definition of Blow by is that the gases blow by the pistons.

And if you can t come up with better insults than a 5 year old you really shouldn't bother.

http://en.wikipedia.org/wiki/Crankcase_ventilation_system

[mattCSLnut]

I think you need to do some reading! Definition of Blow by is that the gases blow by the pistons.

And if you can t come up with better insults than a 5 year old you really shouldn't bother.

http://en.wikipedia.org/wiki/Crankcase_ventilation_system

Game, Set and Match ;) :hahaha:
... so where's the best place to get one of them "Go Faster" oil catch tanks ? :whistle:

[DuncanR]

Sitting on tut fence here.... and not wishing to get into the semantics of "blow-by" ... are you not both correct, in that the normal definition for blow-by is indeed caused as cantfind1 says, and who will argue with wiki ! ... but on the other hand, as Gorilla alludes to, said gases as a result of the nature of the engine plumbing could also blow by the valve stem seals :smt102 ... feel the love:smt055



Oh yeah ... @ Ian aka Yanto ... love that post, where did you find the 4 hours to put that together mate ????:hahaha:

[The Gorilla]

Hi,


Extract -

''13. Worn Valve Stems and Guides
When wear has taken place on valve stems and valve guides, the vacuum in the intake manifold will draw oil and oil vapor between the intake valve stems and guides, into the intake manifold and then into the cylinder where it will be burned. If this condition is not corrected when new piston rings are installed, an engine is likely to use more oil than it did before because the new piston rings will increase the vacuum in the intake manifold. When gum or deposits on the valve stems are removed – a procedure recommended when overhauling an engine – the seal previously formed will be removed and leakage will be more pronounced. This is particularly true on overhead valve engines where loss of oil may occur on the exhaust valves as well as on the intake valves. High oil consumption caused by too much valve guide clearance can frequently be cured by reaming or nerraling the valve stem. In some cases new valves may also be required. Use of a permanently bonded valve stem seal will give added insurance against oil leakage on complete engine overhauls or on valve jobs.

Cantfind1- have a read you might learn something.

Might also explain why you have oil contamination in
your CSL Plenum and I do not.

Regards,

The Gorilla.

[DuncanR]

Like I said ! ;)

[Yanto]

Sitting on tut fence here.... and not wishing to get into the semantics of "blow-by" ... are you not both correct, in that the normal definition for blow-by is indeed caused as cantfind1 says, and who will argue with wiki ! ... but on the other hand, as Gorilla alludes to, said gases as a result of the nature of the engine plumbing could also blow by the valve stem seals :smt102 ... feel the love:smt055



Oh yeah ... @ Ian aka Yanto ... love that post, where did you find the 4 hours to put that together mate ????:hahaha:

the best I can offer to this section of the forum mate - unless someone need to know where go fast/go slow pedals are :smokin:

[northernjim]

:smt024 V :smt024 = :smt071

= :smt018

:weedman::weedman::weedman:

X :smt033:smt033:smt033
+ :drinkers::drinkers::drinkers:

= :smt056:smt056:smt056

+ :smt054:smt054:smt054

= :beer:

Merry Xmas :smt114

:thumbs:


:hahaha::hahaha::hahaha::thumbs::smt055:beer:

[rstoughy]

Yeah but which is best?

Blow By the piston rings OR Blow By the Valve stems??????

There's only one way to find out ;)


http://img.photobucket.com/albums/v447/rstoughy/HarryHill_fight.jpg

[shane@mbtech]

Is there vacuum in a Csl carbon air box?


Hi,


Extract -

''13. Worn Valve Stems and Guides
When wear has taken place on valve stems and valve guides, the vacuum in the intake manifold will draw oil and oil vapor between the intake valve stems and guides, into the intake manifold and then into the cylinder where it will be burned. If this condition is not corrected when new piston rings are installed, an engine is likely to use more oil than it did before because the new piston rings will increase the vacuum in the intake manifold. When gum or deposits on the valve stems are removed – a procedure recommended when overhauling an engine – the seal previously formed will be removed and leakage will be more pronounced. This is particularly true on overhead valve engines where loss of oil may occur on the exhaust valves as well as on the intake valves. High oil consumption caused by too much valve guide clearance can frequently be cured by reaming or nerraling the valve stem. In some cases new valves may also be required. Use of a permanently bonded valve stem seal will give added insurance against oil leakage on complete engine overhauls or on valve jobs.

Cantfind1- have a read you might learn something.

Might also explain why you have oil contamination in
your CSL Plenum and I do not.

Regards,

The Gorilla.

[_Nathan_]

Is there vacuum in a Csl carbon air box?

Yes, if you look hard you can see it.

[DuncanR]

Yes, if you look hard you can see it.rofl Quality mate ... you been drinkin !!!!?? miss ya !:hahaha:

[_Nathan_]

Not yet, missus has gone to the shops for Peroni though :D

[Yanto]

Yes, if you look hard you can see it.

:smt043

[shimmy]

Yes, if you look hard you can see it.

Nath

Even my mrs laughed at that one.........:hahaha:

[mattCSLnut]

Yes, if you look hard you can see it.
:hahaha: :thumbs: :hahaha:

[sailorbaz]

Yes, if you look hard you can see it.

A beauty, very good Nathan :thumbs:

A bit of lighthearted humour before the heavy, technical stuff begins again... :hahaha:

[mattCSLnut]

A beauty, very good Nathan :thumbs:

A bit of lighthearted humour before the heavy, technical stuff begins again... :hahaha:

That's what I'd call an antidote :bigcry: ;)

[cantfind1]

Hi,


Extract -

''13. Worn Valve Stems and Guides
When wear has taken place on valve stems and valve guides, the vacuum in the intake manifold will draw oil and oil vapor between the intake valve stems and guides, into the intake manifold and then into the cylinder where it will be burned. If this condition is not corrected when new piston rings are installed, an engine is likely to use more oil than it did before because the new piston rings will increase the vacuum in the intake manifold. When gum or deposits on the valve stems are removed – a procedure recommended when overhauling an engine – the seal previously formed will be removed and leakage will be more pronounced. This is particularly true on overhead valve engines where loss of oil may occur on the exhaust valves as well as on the intake valves. High oil consumption caused by too much valve guide clearance can frequently be cured by reaming or nerraling the valve stem. In some cases new valves may also be required. Use of a permanently bonded valve stem seal will give added insurance against oil leakage on complete engine overhauls or on valve jobs.

Cantfind1- have a read you might learn something.

Might also explain why you have oil contamination in
your CSL Plenum and I do not.

Regards,

The Gorilla.

Is this an extract you made up yourself? Did you ever go to university?? Where is it from??

I am not doubting that worn valve stems will let some gas escape, however lets compare the size of a piston to a valve stem, which one is bigger Primate, or are you not evolved enough to work that out yet, you know square peg round hole and all that?!

90% of an engines blow by comes from passing by the piston rings and they do not have to be worn for this to happen it just happens whatever the state of the bores or the piston rings.

The reason why this gas is worse than the gas that passes by the valve stems is that

1 There is a lot more of it.

2 It passes straight down into the crankcase and mixes with oil fumes.

Valve stem seal gas escape is negligible and is basically exhaust gas, ie no oil vapour!


By the way you are right I have learnt something reading that.....You have absolutely no idea what you are on about!

[cantfind1]

Is there vacuum in a Csl carbon air box?

I think you already know the answer to that one mate.....:smokin:

[The Gorilla]

Hi,

Cantfind1- funny how when something contradicts
what Cantfind1 says, its dismissed or you spout
its made up, simply remarkable.

Worn exhaust valve guides can allow
excessive oil to pass by so its not just
''Gases'' as you allude to.

Size of the piston has nothing to do it with,
if you were running total seal intermeadiate
Rings but had worn valve guides /stem seals, the blow
by from the valve train would far more
excessive than the combustion chamber.


Regards,

The Gorilla.

[cantfind1]

hi,

cantfind1- funny how when something contradicts
what cantfind1 says, its dismissed or you spout
its made up, simply remarkable.

Worn exhaust valve guides can allow
excessive oil to pass by so its not just
''gases'' as you allude to.

Size of the piston has nothing to do it with,
if you were running total seal intermeadiate
rings but had worn valve guides /stem seals, the blow
by from the valve train would far more
excessive than the combustion chamber.


Regards,

the gorilla.

yeah no one is running that!!!

And if they were then they wouldn't have worn valve guides because if they were that smart to fit new rings in the first place they would have checked the guides!!!

Fuck me!

[shane@mbtech]

Get a room you two.

BTW in a quest to prove eachother wrong, one of you is contradicting what you wrote earlier- I will leave you guys to work out who;)

[Yanto]

Can you pm a pic of your man veg to each other and be done :thumbs:

[sailorbaz]

Can you pm a pic of your man veg to each other and be done :thumbs:

Man veg? A belter indeed, :hahaha: :hahaha: :hahaha:

[Bounce]

Can you pm a pic of your man veg to each other and be done :thumbs::hahaha::hahaha:

[The Gorilla]

Hi,

I do not believe I have contradicted myself
but if I have I apologize.

The reason why I got a little more 'excited'
than us Chilled Primates usually do was that
engine blow by can be caused for various
reasons. Its well documented.

While I enjoy good Technical debate as you
always learn something, hopefully, the introduction
of unrelated issues served no purpose and
one always wonders about the motive.

Regards,

The Gorilla.

[shimmy]

I'm lost

Could someone provide a brief technical update of where we are?:thumbs:

[shane@mbtech]

I'm lost

Could someone provide a brief technical update of where we are?:thumbs:

A guy from down under and a hairy mammal where discussing blowing eachother off:smt008

[shimmy]

A guy from down under and a hairy mammal where discussing blowing eachother off:smt008


was lubricant involved?

[Bounce]

I'm lost

Could someone provide a brief technical update of where we are?:thumbs:3 rounds to 2,one of them needs a knockout to win.;):thumbs:

[Yanto]

I'm lost

Could someone provide a brief technical update of where we are?:thumbs:

yellow light went on
yellow light went off
view 1 presented
view 2 presented
handbags came out
the earth stopped on its axis
Yanto swooped in and injected sanity into thread
the earth began spining on axis
birds sang and the sun shone again, children played in the street. DuNc used correct CAps LoCk.
We all high fived and moved onto a new thread.

:thumbs:

[sailorbaz]

:hahaha: :hahaha: :hahaha: :hahaha:

Brilliant... that's my input, done. :beer:

[mattCSLnut]

yellow light went on
yellow light went off
view 1 presented
view 2 presented
handbags came out
the earth stopped on its axis
Yanto swooped in and injected sanity into thread
the earth began spining on axis
birds sang and the sun shone again, children played in the street. DuNc used correct CAps LoCk.
We all high fived and moved onto a new thread.

:thumbs:

:hahaha: :thumbs: :hahaha:

[DuncanR]

wHAT WE NEEED NOW IS FOR TOM TO COME ALONG AND SAY THEY ARE BOTH FOOKIN WRONG !!!:hahaha: ... THAT WOULD BE A LAUGH ! FC :banghead:

[shane@mbtech]

wHAT WE NEEED NOW IS FOR TOM TO COME ALONG AND SAY THEY ARE BOTH FOOKIN WRONG !!!:hahaha: ... THAT WOULD BE A LAUGH ! FC :banghead:

In reality Duncan, they are both right.