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Old 31 October 2006, 04:51 AM
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Sc0oby
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Default Sparkplug? which is the best?

what kind of sparkplugs are you guys using on your wrx n sti?

Denso iridium usually foul on my sti but m using a 8 heat range.

would like to have some of you guys input
Old 31 October 2006, 06:21 AM
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There have been a few cars that have dropped the tip off an iridium plug and damaged their engine.
Old 31 October 2006, 07:58 AM
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NGK PFR 7B Platinum plugs.
Old 31 October 2006, 09:17 AM
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DannyBoy007
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Originally Posted by chrispurvis100
NGK PFR 7B Platinum plugs.
Same here
Old 31 October 2006, 09:19 AM
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Originally Posted by chrispurvis100
NGK PFR 7B Platinum plugs.
recently put a set of these in my STI and the car feels much smoother
Old 31 October 2006, 11:45 AM
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GazTheHat
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Originally Posted by pippyrips
recently put a set of these in my STI and the car feels much smoother
Great news about the NGK7's, ordered some last week
Old 31 October 2006, 01:06 PM
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NGK PRF7B's..

Infact I could do with changing them..! How often do you guys change tham..?

GAZ how much have you just paid, if you don't mind..?
Old 31 October 2006, 04:37 PM
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GazTheHat
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Originally Posted by jasonius
NGK PRF7B's..

Infact I could do with changing them..! How often do you guys change tham..?

GAZ how much have you just paid, if you don't mind..?
I haven't got them yet, as i'm waiting for my new turbo to come in stock. (ScoobyMania), but they were £10.50 + VAT
Old 31 October 2006, 04:43 PM
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where do people get 8's from?
Old 31 October 2006, 04:57 PM
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Or 9's, heard they're cheaper than 8's?
Old 31 October 2006, 07:23 PM
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suits me.....where are they??
Old 31 October 2006, 07:31 PM
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Originally Posted by GazTheHat
I haven't got them yet, as i'm waiting for my new turbo to come in stock. (ScoobyMania), but they were £10.50 + VAT
I take it that's £10.50 each..?

Just about to order a set of 4 via scoobyshop for £35 delivered, which I thought was good..?! My last lot were over £40 from Sparkplugs UK - Champion, Denso, Beru and NGK sparkplug suppliers.

How often do you guys change them (mildly modded 05 WRX 348x333)..?
Old 01 November 2006, 11:02 AM
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GazTheHat
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Originally Posted by jasonius
I take it that's £10.50 each..?

Just about to order a set of 4 via scoobyshop for £35 delivered, which I thought was good..?! My last lot were over £40 from Sparkplugs UK - Champion, Denso, Beru and NGK sparkplug suppliers.

How often do you guys change them (mildly modded 05 WRX 348x333)..?
Sorry, yeah, £10.50 + vat each. I was ordering other parts from them, so it was easier and saved on additional postage.

This is the first change for me (STi @ 20k miles), and only because i'm doing other modifications, turbo etc... and it was recommended by the mapper (Andy F).
Old 01 November 2006, 03:06 PM
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Its worth cleaning before change intervals IMHO
Old 01 November 2006, 03:27 PM
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I think a GB on plugs would be a good idea... we're all always in the market for them so why not buy in bulk and save a few quid??

I'm not volunteering tho!
Old 01 November 2006, 03:57 PM
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The thing is they're £35 inc delivery via scoobynet shop, which IMHO is good..! I've emailed the supplier to see if there's any more to be had via a GB..
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