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Home > Help Needed / General Tech Chat > NGK plug fouling issues

almichie

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824 Posts
Member #: 2065
Post Whore

Wiltshire

15th Apr, 2012 at 07:02:25pm

Sooooo I went out in the week in the mini, got the itch and turned up the boost. I did stop and switched the needle first. The car started coughing and ultimately ended up in what I think lead to the plugs being fouled.

Now I'm on my 3rd set of bpr7es plugs in less than 1k miles, which I think is a little excessive.

They seem very sensitive to getting wet and don't recover. Are there any alternatives to these? Any feed back on the fouling issues? I'm actually tempted to try a hotter plug in an attempt to avoid the fouling problem?

Thanks in advance, Al

On 7th Nov, 2011 apbellamy said:
 Shaft seems nice and snug


On 24th Mar, 2012 apbellamy said:
no no no no, you need more boost! you can never ever come on here and say I have enough boost, that's just silly.


On 29th Mar, 2010 Star Mag said:
these give no problems with good head

Joe C

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12307 Posts
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Carlos Fandango

Burnham-on-Crouch, Essex

15th Apr, 2012 at 07:20:34pm

In my experience one they have fouled they are never the same, and the really dont like getting fuel on them.

give champion RN7YC'S or Denso W22EPR-U'S a go.

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



theoneeyedlizard

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7265 Posts
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The Boom Boom speaker Police!

Essex

15th Apr, 2012 at 08:22:32pm

Yep. I've got through plenty of these. They are really sensitive.

Go for the Champions suggested by Joe.

In the 13's at last!.. Just

almichie

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824 Posts
Member #: 2065
Post Whore

Wiltshire

15th Apr, 2012 at 08:34:07pm

Thanks guys - I've just ordered a set of champions as suggested. I'll report any findings.

On 7th Nov, 2011 apbellamy said:
 Shaft seems nice and snug


On 24th Mar, 2012 apbellamy said:
no no no no, you need more boost! you can never ever come on here and say I have enough boost, that's just silly.


On 29th Mar, 2010 Star Mag said:
these give no problems with good head

scott the joiner

461 Posts
Member #: 9229
Senior Member

newcastle upon tyne

15th Apr, 2012 at 09:45:37pm

I've had bother with ngk plugs aswell think iam going to try 1of the above suggestions 2


Nick
Forum Mod

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4828 Posts
Member #: 154
Post Whore

Midlands

15th Apr, 2012 at 10:16:32pm

me and kean have always had issues with the 7's fouling easily, i've been running the same set of 6's for a couple of years now though with no issues.

On 20th Oct, 2015 Tom Fenton said:
Well here is the news, you are not welcome here, FUCK OFF.

almichie

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824 Posts
Member #: 2065
Post Whore

Wiltshire

16th Apr, 2012 at 05:49:57am

Not had any problems with det on the 6's?

That was my only concern - they wouldnt dissipate the heat away from the tip fast enough at higher boost levels

On 7th Nov, 2011 apbellamy said:
 Shaft seems nice and snug


On 24th Mar, 2012 apbellamy said:
no no no no, you need more boost! you can never ever come on here and say I have enough boost, that's just silly.


On 29th Mar, 2010 Star Mag said:
these give no problems with good head

wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

16th Apr, 2012 at 06:35:58am

A spark plug won't cause det.

The problem here is not the spark plug, it's the fuelling. I agree that the NGKs do not like to get wet and don't recover. But to be fair why should they?

I use 7s in my road cars, never had a problem. I use 8s in the hillclimber. We've knackered a few over the years, but now the fuelling is right they are not a problem.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


John

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10023 Posts
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Mongo

Barnsley, South Flatcapshire

16th Apr, 2012 at 06:44:29am

http://www.ebay.co.uk/itm/290693378808

I use these. Only ever managed to muller one in the van by leaving the choke out for about 20 mins in the fire up lane at Avon.

If something is worth doing, it's worth doing half of.

Brett

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9502 Posts
Member #: 1023
Post Whore

Doncaster, South Yorkshire

16th Apr, 2012 at 06:58:06am

ive managed to kill 1 or 2 of them aswell, ive been running 6es since no problems

Yes i moved to the darkside *happy*

Instagram @jdm_brett


scott the joiner

461 Posts
Member #: 9229
Senior Member

newcastle upon tyne

16th Apr, 2012 at 08:20:16am

Iam running a bit rich at top end (wot) down to around 11-high 10s afr on my aem which I don't mind at the minute as more boost should help sort this out but I think this is causing my plug problems to be honest


On 16th Apr, 2012 wil_h said:
A spark plug won't cause det.

The problem here is not the spark plug, it's the fuelling. I agree that the NGKs do not like to get wet and don't recover. But to be fair why should they?

I use 7s in my road cars, never had a problem. I use 8s in the hillclimber. We've knackered a few over the years, but now the fuelling is right they are not a problem.

tadge44

3006 Posts
Member #: 2500
Post Whore

Buckinghamshire

16th Apr, 2012 at 10:47:57am

NGK,s seem to last about 2k in my engine then they just "fade" -- a new set restores performance instantly.
I,m told the NGK, s with three side ele ctrodes work better, but they are ahell of a price.
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