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Home > General Chat > what do you think on my plugs

mini118118

87 Posts
Member #: 10069
Advanced Member

14th May, 2013 at 08:42:23pm

Chaps just running in a rebuild and wanted your opinions on my plug colour... the pics not that clear but the electrode insulator in the centre is glazed a little on one side.. the plug is mainly black but the bit you gap is light brown.. im thinking too rich on tick over and too lean on boost.. It is running on tick over to the point you can get away with starting it up without a choke.. its running low boost, should be slightly low comp, 11cc pistons, 27cc chambers 1380cc... BPR6ES plugs Standard BDD needle.
Im thinking run leaner on tick over, upgrade the needle and change the plugs to a BPR7ES..thanks
Bloody pic wont up load will keep trying..


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mini118118

87 Posts
Member #: 10069
Advanced Member

14th May, 2013 at 08:43:19pm

Arrh there we go!

BENROSS

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9812 Posts
Member #: 332
Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

14th May, 2013 at 09:21:51pm

hope you have a AEM lamba fitted ? this is a must have a look here this is what you need! http://www.ebay.co.uk/itm/AEM-Wideband-AFR...=item19dc38f4db

it looks lean to me and the glazed colour is typical of hard acceleration with weak mixture ........... please get this sorted before it ends in tears

welshdan

2096 Posts
Member #: 1111
Post Whore

s wales

14th May, 2013 at 09:24:10pm

Id consider changing to 7s depending on boost, and book in at a rolling road who knows what they are doing for a tune up...

Joe C

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12307 Posts
Member #: 565
Carlos Fandango

Burnham-on-Crouch, Essex

14th May, 2013 at 09:35:15pm

I assume low boost in which case the 6's should be ok,

idle can be taken care of with the mixture screw,

get an afr guage in and see what its doing, and get a file on the needle to richen it up pronto

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/



mini118118

87 Posts
Member #: 10069
Advanced Member

15th May, 2013 at 05:08:43am

Ok thanks guys I really appreciate the advice, looking into an AEM..
Any advice on how and where to put the Lambda sensor
Cheers

wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

15th May, 2013 at 06:49:49am

You can't really get a detailed view of fuelling from plug colour. They certainly won't tell you that it's rich at idle and lean on boost as you suggest.

At best they'll tell you a prevailing average, rich or lean or somewhere in between.

Even on low boost I'd use 7 plugs, as listed standard for the Metro turbo

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.


Brett

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9502 Posts
Member #: 1023
Post Whore

Doncaster, South Yorkshire

15th May, 2013 at 08:25:54am

I'm still on 6es!! *happy*

Yes i moved to the darkside *happy*

Instagram @jdm_brett

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