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Author Topic: Oil in the plug wells  (Read 2125 times)

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FRE07962128

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Re: Oil in the plug wells
« Reply #15 on: 15 July 2008, 09:15:01 »

Quote
If you do take the plugs out, I don't think the oil will do any harm at all if allowed to fall into the pots. Will soon burn off, even if it is held in the pots until you start up again.


I think I agree Shyboy, but if the oil is excessive the initial mis-firing start up, with a very oilly mixture, could allow too much fuel to remain unburnt and cause damage to the cats? :-/ :-/ :-/

Just a thought, but could be totally wrong! ;D :y
« Last Edit: 15 July 2008, 09:16:20 by FRE07962128 »
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shyboy

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Re: Oil in the plug wells
« Reply #16 on: 15 July 2008, 09:22:19 »

The amount of oil held in the plug wells wouldn't be that great though would it? I'd be very surprised if it interfered with ignition on start-up, but I suppose a few minutes spent soaking it up would be a good insurance.
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Kevin Wood

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Re: Oil in the plug wells
« Reply #17 on: 15 July 2008, 09:35:06 »

If you let too much oil into the combustion chamber it could cause a problem.

Oil is not compressible and at the top of the compression stroke the volume of the combustion chamber is pretty small. If the volume of the oil exceeds the volume of the combustion chamber the engine will hydrolock. At best it won't turn over. At worst it could cause serious damage as the piston is forced up into an immovable mass of oil.

I would clean up as much as possible before removing the plugs. A little oil will do no harm and will just burn off when the engine is started.

Kevin
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Brian T

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Re: Oil in the plug wells
« Reply #18 on: 15 July 2008, 11:06:39 »

As ever useful advice with lots of various opinions all of which I think point to the same thing.....basically get the oil out first.

Sage advice guys and gals, I will spend the time cleaning it out as I need to put new plugs in anyway and I'd rather not shower the neighbours with clouds of blue smoke!
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Illegitimis nil carborundum

ians

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Re: Oil in the plug wells
« Reply #19 on: 15 July 2008, 13:21:42 »

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As ever useful advice with lots of various opinions all of which I think point to the same thing.....basically get the oil out first.

Sage advice guys and gals, I will spend the time cleaning it out as I need to put new plugs in anyway and I'd rather not shower the neighbours with clouds of blue smoke!

Yep - I think that is the best bet, mop as much of it out as possible first.

Take it steady with the cam seal and make sure to clean the breathers  and not over torque the cover bolts on reassembly.
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FRE07962128

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Re: Oil in the plug wells
« Reply #20 on: 15 July 2008, 13:25:58 »

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As ever useful advice with lots of various opinions all of which I think point to the same thing.....basically get the oil out first.

Sage advice guys and gals, I will spend the time cleaning it out as I need to put new plugs in anyway and I'd rather not shower the neighbours with clouds of blue smoke!


All the best Brian :y
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Brian T

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Re: Oil in the plug wells
« Reply #21 on: 15 July 2008, 13:26:56 »

Quote
Quote
As ever useful advice with lots of various opinions all of which I think point to the same thing.....basically get the oil out first.

Sage advice guys and gals, I will spend the time cleaning it out as I need to put new plugs in anyway and I'd rather not shower the neighbours with clouds of blue smoke!

Yep - I think that is the best bet, mop as much of it out as possible first.

Take it steady with the cam seal and make sure to clean the breathers  and not over torque the cover bolts on reassembly.

I've just spent £30 on a Torque wrench that goes down that low my old one starts at 25nm!
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Illegitimis nil carborundum

ians

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Re: Oil in the plug wells
« Reply #22 on: 15 July 2008, 14:05:28 »

Quote
Quote
Quote
As ever useful advice with lots of various opinions all of which I think point to the same thing.....basically get the oil out first.

Sage advice guys and gals, I will spend the time cleaning it out as I need to put new plugs in anyway and I'd rather not shower the neighbours with clouds of blue smoke!

Yep - I think that is the best bet, mop as much of it out as possible first.

Take it steady with the cam seal and make sure to clean the breathers  and not over torque the cover bolts on reassembly.

I've just spent £30 on a Torque wrench that goes down that low my old one starts at 25nm!

Good job :y
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