Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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Worth it or more danger than they are worth?
DIscuss.
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cpcrampton
Member
Registered: 16th Feb 07
Location: Stirling
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By the time you remove it and see metalic particles the damage is already done.
By the way , pistonheads/boring stuff/show cars/ nice e36 m3 for you.
[Edited on 17-05-2012 by cpcrampton]
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shaunmods
Premium Member
Registered: 12th Mar 07
Location: Glascote, Staffordshire
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I've got one on mine but not done an oil change yet since fitting it to see if its collected anything.
Didnt realise they could be bad for engines though 
[Edited on 17-05-2012 by shaunmods]
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Mike
Organiser: North West and North Wales
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Registered: 20th May 06
Location: nr. Skipton, North Yorkshire
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I can't see how they could be bad, yes the particles may have already done damage but if they didn't attach themselves to the plug, they'd continue to flow with the oil and do further damage.
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Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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Im happy with my M3 thanks 
They can be bad aparently by either failing at high temp, causing the plug t ocome apart and floatr around your engine.
Or more likely, the lump of particales reaches critical mass and seperates from the plug agasin, floating off around the crank etc to do some not so nice damage!
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cpcrampton
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Registered: 16th Feb 07
Location: Stirling
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i wouldnt bother, never had one nd never had any problems. Do not fix what's not fucked.
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Mike
Organiser: North West and North Wales
Premium Member
Registered: 20th May 06
Location: nr. Skipton, North Yorkshire
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I'd think for it to reach critical mass, it'd either have to be left too long between oil changes or there's an underlying issue causing the engine to shred itself. As for the coming apart issue, yeah it would be a bit of a bugger if that happened 
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3i_gaz
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Registered: 29th Nov 07
Location: Liverpool
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Motorsport developments are the people for magnetic sump plugs mate get onto stu or kenny delivery service is immense with them too.
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bigron1988
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Registered: 29th Aug 09
Location: Southport, Merseyside
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have one fitted on mine , quite shocking how much there is stuck to it each oil change
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ed
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Registered: 10th Sep 03
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If you needed one, the car would have one stock.
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Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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Whilst I agree with that ed, that said everything is built to a cost. My engine is on 94k and sounds lovely, I would like it to stay that way of possible. The idea seems to make logical sense, I'm just worried its playing with fire.
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LeeM
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Registered: 26th Sep 05
Location: Liverpool
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gearbox yeah, engine i wouildnt bother
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Graeme
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Registered: 26th Jul 04
Location: Northampton
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I have one on my enduro bike. But tbh that has a oil and filter every 10 hours. So easy to tell if it's about to impload.
There is always minute bits on the plug but better to be in there than the oil.
I would get a decent one, on a M3 I would be doing oil and filter every 4k ish. For the cost will keep the engine nice and fresh.
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SetH
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Registered: 15th Jul 01
User status: Offline
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Why would the risk of a magnetic sump plug self destructing be greater than the risk of a normal one self destructing?
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flybikeslee
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Registered: 2nd Jan 07
Location: Liverpool
User status: Offline
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quote:
Originally posted by bigron1988
have one fitted on mine , quite shocking how much there is stuck to it each oil change
every other week then? 
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ed
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Registered: 10th Sep 03
User status: Offline
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quote:
Originally posted by Jambo
Whilst I agree with that ed, that said everything is built to a cost. My engine is on 94k and sounds lovely, I would like it to stay that way of possible. The idea seems to make logical sense, I'm just worried its playing with fire.
And also, you've got one of these:
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Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline
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quote:
Originally posted by SetH
Why would the risk of a magnetic sump plug self destructing be greater than the risk of a normal one self destructing?
Because they are made by people who arent normal parts suppliers i.e non OEM/Factors etc. No garuntee of quality
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mattk
Member
Registered: 27th Feb 06
Location: St. Helens
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If its made it to 94k and sounds good without one, then it not having one cant be bad for it
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tom130691
Premium Member
Registered: 13th Sep 08
Location: Daventry
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i would have one just never put the time in to work out where to get them
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SetH
Member
Registered: 15th Jul 01
User status: Offline
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quote:
Originally posted by Jambo
quote:
Originally posted by SetH
Why would the risk of a magnetic sump plug self destructing be greater than the risk of a normal one self destructing?
Because they are made by people who arent normal parts suppliers i.e non OEM/Factors etc. No garuntee of quality
Even the HKS ones?
You could apply your statement to a majority of after market suppliers though 
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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The concern with it coming apart is surely to do with the magnet seperating from the plug itself.
I've got to agree with ed here, this is exactly what your oil filter is for so you're not doing your engine any harm by not having one but I've always like the idea of them. I would imagine that they could even extend the life of the filter to an extent by simply reducing its workload.
As for this ctitical mass claim - a magnet cannot pick up more than the weight it can lift, so how would stuff that is on it, that it has 'picked up' in the first place suddenly de-magnatise? Unless it got washed off by a surge of oil it's simply physically impossible internet invented bullshit. No offence
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Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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Simple Alan, operating temperature or oil pressure vs magnet strength either possible outcomes.
Think I will just stick with a regular one for now
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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So if it got washed off by oil?
Edit to say, I'm not trying to put you off the idea, even if it did drop some particles there would be even more floating around in the sump if you didn't have one at all. if you buy one from a reputable place I reckon 99.9% of the time they'll be hassle free
[Edited on 18-05-2012 by alan-g-w]
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Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline
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Yeah I know mate, was just interested in the discussion. Seems an ok idea, but seems less risky to jus keep a standard one.
May invest next oil change
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Haimsey
Premium Member
Registered: 8th May 05
Location: Nottingham Drives: Corsa B
User status: Offline
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I had one on mine, did a good job IMO.
Really need to get another one.
First change after rebuild -
and clean for comparison -
[Edited on 18-05-2012 by Haimsey]
Marcy Marc 
White Sport Progress Thread
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