Oil Light On Under Acceleration
Discussion
My Speed 6 Cerbera gives a large belch of blue smoke on start up if left for a while, this could be weeks or hours it still happens. Also oil consumption is high, it varies but probably around 400 to 500miles/litre, sometimes higher. Mileage is around 27,000 and the engine has never been rebuilt, the car was laid up for a few years before being recommissioned around three years ago.
There appears to be no loss of performance and I am thinking valve guides rather than piston rings but I don't know and hope someone might have a more informed opinion.
A new development though is that the oil light has come on a couple of times during hard acceleration, but the oil pressure gauge maintains >50psi, the oil level is OK, in fact a little high as I must have over filled last time I topped up.
What would be causing the oil light to come on when the gauge still shows healthy pressure ?
Should I be concerned that something is about to fail in a big way ?
Thanks
Murray
There appears to be no loss of performance and I am thinking valve guides rather than piston rings but I don't know and hope someone might have a more informed opinion.
A new development though is that the oil light has come on a couple of times during hard acceleration, but the oil pressure gauge maintains >50psi, the oil level is OK, in fact a little high as I must have over filled last time I topped up.
What would be causing the oil light to come on when the gauge still shows healthy pressure ?
Should I be concerned that something is about to fail in a big way ?
Thanks
Murray
Many thanks
Oil is fresh and good quality (Fuchs) new filter a few weeks ago.
Gauge is still showing around 55psi when light comes on.
Valve guides/seals are my guess for the smoke and oïl consumption, particularly knowing the car was unused for a few years.
As a head rebuild requires removing the engine I guess this is a good time to get a full rebuild done, I suspected I would need to do this at some time but expected it to be when the finger followers did there thing, but it is budgeted for anyway.
The question will be when to get it done, who to get to do it and what rebuild to get done.
Thanks again for the replies.
Murray
Oil is fresh and good quality (Fuchs) new filter a few weeks ago.
Gauge is still showing around 55psi when light comes on.
Valve guides/seals are my guess for the smoke and oïl consumption, particularly knowing the car was unused for a few years.
As a head rebuild requires removing the engine I guess this is a good time to get a full rebuild done, I suspected I would need to do this at some time but expected it to be when the finger followers did there thing, but it is budgeted for anyway.
The question will be when to get it done, who to get to do it and what rebuild to get done.
Thanks again for the replies.
Murray
Thanks guys.
I am at work in Africa at the moment so cant do anything to the car right now but get home in a couple of weeks and will have a look then.
My understanding is that to do the seals the head has to come off and that means taking the engine out, if so I am inclined to get a full rebuild done as the incremental cost is not huge and as the car has never had a rebuild it is something that is budgeted for.
If the seals can be done with the head in situ that would be a different story.
I am at work in Africa at the moment so cant do anything to the car right now but get home in a couple of weeks and will have a look then.
My understanding is that to do the seals the head has to come off and that means taking the engine out, if so I am inclined to get a full rebuild done as the incremental cost is not huge and as the car has never had a rebuild it is something that is budgeted for.
If the seals can be done with the head in situ that would be a different story.
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