#205730 - 20/04/10 09:05 AM
Re: NGK Iridium spark plugs
[Re: Alex_H]
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Fiesta Maniac
Registered: 02/01/05
Posts: 6067
Loc: Shoreham-by-Sea, W. Sussex, UK
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Perhaps they werent gapped correctly?
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 24/03/05 to 27/06/12 & I loved it
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#205731 - 20/04/10 09:19 AM
Re: NGK Iridium spark plugs
[Re: Alex_H]
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Fiesta Fan
Registered: 17/12/07
Posts: 129
Loc: EU, Slovenia, Koper
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Quote:
I changed my spark plugs a few months ago for these and my car has been running fine 
and you left the spacers on the plugs?
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#205732 - 20/04/10 11:09 AM
Re: NGK Iridium spark plugs
[Re: izikog]
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Fiesta Maniac
Registered: 02/01/05
Posts: 6067
Loc: Shoreham-by-Sea, W. Sussex, UK
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They should have come correctly gapped. If you buy, forexample, the OEM one from Ford for our car they come correctly gapped but any proper mechanic would double check to make sure.
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24/03/05 to 27/06/12 & I loved it
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#205733 - 20/04/10 02:02 PM
Re: NGK Iridium spark plugs
[Re: PinkRinse]
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Registered: 03/01/09
Posts: 2509
Loc: Co, DURHAM
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Mine has these plugs fitted and runs fine, they are already gapped so no need to mess about with them.
Has your mechanic fitted them ? have you checked.
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Fiesta ST200, K&N Panel Filter otherwise standard for now.
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#205734 - 20/04/10 04:58 PM
Re: NGK Iridium spark plugs
[Re: Tez]
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Site Supporter
Registered: 15/10/08
Posts: 15118
Loc: Harpenden, Hertfordshire
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Always check the gap, my dad bought some for his car and they came with twice the gap they were meant to have
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 407BHP and 340lbft TD GT28/32 hybrid turbo, 3inch decat, 2.75inch exhaust, air intake + large MAF, injectors, fuel pump, tubular manifold
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#205737 - 21/04/10 07:49 AM
Re: NGK Iridium spark plugs
[Re: Robjh]
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Fiesta Fan
Registered: 17/12/07
Posts: 129
Loc: EU, Slovenia, Koper
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Quote:
Spacers? .. are you talking about the spring washers on the threaded part on each plug?
If so ... they definately have to stay on! .. 
...see attached pic
...yes they were installed by a mechanic
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#205739 - 22/04/10 09:33 AM
Re: NGK Iridium spark plugs
[Re: izikog]
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Registered: 29/12/07
Posts: 383
Loc: Brisbane, Australia
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Quote:
Quote:
Spacers? .. are you talking about the spring washers on the threaded part on each plug?
If so ... they definately have to stay on! ..
...see attached pic
...yes they were installed by a mechanic
Yea .. that's the spring washers I meant .. they are supposed to stay on!
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#205740 - 22/04/10 01:24 PM
Re: NGK Iridium spark plugs
[Re: Robjh]
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Fiesta Fan
Registered: 17/12/07
Posts: 129
Loc: EU, Slovenia, Koper
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Quote:
Quote:
Quote:
Spacers? .. are you talking about the spring washers on the threaded part on each plug?
If so ... they definately have to stay on! ..
...see attached pic
...yes they were installed by a mechanic
Yea .. that's the spring washers I meant .. they are supposed to stay on!
thanks
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I just took old ones out and put the new ones in straight out the box
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