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Old 26 June 2010, 06:13 PM
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scooby1982
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Default gapping the spark plugs

Hi can anyone tell me what the correct gap in the spark plugs should be just i have removed my engine and giving it a full check over, have new spark plugs just wanted to know what the gap is as standard plz.
Old 26 June 2010, 06:26 PM
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Tis ok i have found out 0.7mm or 0.65mm mine are o.7mm so this should be fine.
Old 26 June 2010, 06:28 PM
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0.7mm for std boost.

Or 0.65mm for upped boost. Go for 0.65 - less chance of misfires...
Old 26 June 2010, 06:29 PM
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Thanks joz
Old 26 June 2010, 06:34 PM
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Have you got a Classic? Are you fitting NGK PFR7B plugs?

If not, then you should... lol

Last edited by joz8968; 26 June 2010 at 06:35 PM.
Old 26 June 2010, 06:43 PM
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yes i ahve a classic, i have bought brand new denso ones mate are they crap then lol? was going to ge the ngk's too
Old 26 June 2010, 06:47 PM
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NGK are std fit and are used by pretty much everyone - including the specialists, etc. If it ain't broke, don't fix it, etc...

PFR6B is std, PFR7B is one level "colder" i.e. has the ability to resist cylinders' heat/pressures better.

Last edited by joz8968; 26 June 2010 at 06:48 PM.
Old 26 June 2010, 06:50 PM
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Humm may have to invest in some joz, where is the best place to buy them from any ideas thanks lee.
Old 26 June 2010, 07:02 PM
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bulbsubaru
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Thumbs up plugs

im getting mine from ebay £20 fror the set
Old 26 June 2010, 07:07 PM
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Thanks mate i will check this out cheers lee.
Old 26 June 2010, 07:08 PM
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Yep eBay vendors - Anywhere between £20-30 for all 4.
Old 26 June 2010, 07:32 PM
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No probs guys, joz btw any chance you know what is up with my fuel pump mate? i have put a post up about it thanks lee.
Old 26 June 2010, 08:27 PM
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Tazman861
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Originally Posted by bulbsubaru
im getting mine from ebay £20 fror the set

Have you got a link to these plugs? the best I have seen them is £30, every little helps.....
Old 27 June 2010, 12:04 AM
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Yeah, I thought 20 quid was a bit of a bargain. £30 is the best I've seen too.
Old 27 June 2010, 06:15 AM
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Are the NGK Iridium IX (BKR7EIX) any better/no different/worse?
Old 27 June 2010, 12:31 PM
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f4la k
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Originally Posted by john5f
Are the NGK Iridium IX (BKR7EIX) any better/no different/worse?
Theyre not for a classic mate. classic plugs are ngk pfr7s. iirc the ones you posted are maybe for newage..
Old 27 June 2010, 02:29 PM
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Originally Posted by f4la k
Theyre not for a classic mate. classic plugs are ngk pfr7s. iirc the ones you posted are maybe for newage..
i got these off ebay for mine and have no problems (MY99)
they are 1 grade colder than standard

and camskill's web site has them list for impreza up to 2006

http://www.camskill.co.uk/products.p...m10b571s2606p0
Old 27 June 2010, 04:06 PM
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They were recommended by, and I got them from http://www.JP4mance.co.uk
Were they wrong in recommending these instead of the PFR7B's?

(jdm MY95 wagon with with 3" full de-cat turbo back, green panel filter, ported headers (heat wrapped as are downpipe and up-pipe), TD05 with Major Sarcasm ECU upgrade chip.)

Last edited by john5f; 27 June 2010 at 04:11 PM.
Old 27 June 2010, 06:51 PM
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Go for the PFR7B's IMO.
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