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Old 03-09-2005, 06:52 PM   #1
Tork1
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Default Spark plug gap on PFR7G. wrong or not?

I bught new plugs, PFR7G, 1 step colder than stock. i measured the gap and it says (.040) or (1.02mm). from what i hered is that the gap is best set at (.028-.030) is that true? do i make the gap to that size or do i have the wrong plugs? i'm using NGK PLATINUM PFR7G-11.

I went with 1 step colder cause i plan on doing some light mods and a guy i know says that, one cooler is the way to go. so i belived him.

please help!!! the subaru dealer ship in Edmonton, Alberta, Canada cant tell me *****. they just sell the parts.no knowledge.I'm not doingthing untill i find out forsure. thanx very much.
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Old 03-09-2005, 08:26 PM   #2
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....the '-11' plugs are the wrong plug....ya want the NGK xxxxx with NO '-11'
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Old 03-09-2005, 09:09 PM   #3
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Look in your owners manual or go to www.ngksparkplugs.com and see what plugs are recomended for your vehicle and the correct gap.
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Old 03-09-2005, 09:11 PM   #4
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i f!#king knew it, i had to wait 2 week for those.
thanx dude for the info.

what about the gap? i have no mods yet. trying to get car running tip top first.
here in canada these plugs cost $100.11 bucks. from MIDWAY DIS.
@subaru they charge $123.91 for the stock(PFR6G) plugs. for a set of 4.
help. . . i dont like bending over like that.
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Old 03-09-2005, 09:12 PM   #5
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...it is very simple....really.....the '-11' plug is for NA cars.....thus the larger pre-gap(1.1mm)

...the NON '-11' plug is pre-gapped at 0.7-0.8mm which is for turbo'd apps...
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Old 03-09-2005, 09:14 PM   #6
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Copper NGK BKR7E (NGK stock #6097).... gap 'em at .030"
They should cost ~$3/ea...even in kanadya

Done.
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Old 03-11-2005, 11:27 AM   #7
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early on, stage 4 kits that required step colder plugs (7s) documented the
-11 plugs to be used, it was carried over from their RS turbo reccomendations.

The PFR7G-11 plugs should not hurt terribly unless high boost where the spark would blow out.. I've successfully run them in my old stage4+ setup without problems before the correct part was known.

Of course, the proper part number would be optimal.
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Old 03-11-2005, 01:03 PM   #8
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....the '-11' plugs are the WRONG plug for a turbo Subaru application. Period.
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Old 12-18-2010, 07:53 PM   #9
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Default Ngk Pfr 7 G

I have a Japan Version 2006 Hawk Eye Model STI and the orignal plug the car came with that is from the Firm is the NGK - PFR 7G .
Please note the Engine size is 2.0 L Turbo Engine . EJ207 .
Hope this Helps .
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Old 12-18-2010, 08:33 PM   #10
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Quote:
Originally Posted by MARKSTI1979 View Post
I have a Japan Version 2006 Hawk Eye Model STI and the orignal plug the car came with that is from the Firm is the NGK - PFR 7G .
Please note the Engine size is 2.0 L Turbo Engine . EJ207 .
Hope this Helps .
no....because that engine isnt sold in the usa
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Old 12-18-2010, 08:50 PM   #11
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BTW I believe the NGK plugs generally works better on the subaru and as it is been the OEM plug , Well they work better that the Denso 22 Plugs .
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Old 12-18-2010, 08:55 PM   #12
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Quote:
Originally Posted by Uncle Scotty View Post
no....because that engine isnt sold in the usa
I was refering to to statement that someone said that the PFR7G are not the correct plugs for turbo car , which is wrong , as the Japanese uses the plugs on their STI's . They are the wrong plugs for the American Spec STI ,I think the plug for the American spec is the NGK LFR 7 .
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Old 12-18-2010, 09:17 PM   #13
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Quote:
Originally Posted by MARKSTI1979 View Post
I was refering to to statement that someone said that the PFR7G are not the correct plugs for turbo car , which is wrong , as the Japanese uses the plugs on their STI's . They are the wrong plugs for the American Spec STI ,I think the plug for the American spec is the NGK LFR 7 .
your reference is 100% irrelevant to this discussion

and you should NOT post anything like that because it IS IRRELEVANT to usdm cars and you WILL CONFUSE THE **** OUTA THE IDIOTS THAT DONT READ THE ****ING THREAD AND START POSTING ALL SORTS OF OTHER STUPID ****ING THREADS WANTING 'TO CONFIRM' ALL SORTS OF STUPID **** THAT SHOULD NOT HAVE BEEN POSTED HERE

SO....IN SHORT....YOUR USAGE AND VEHICLE ARE NOT USDM AND ARE NOT RELEVANT SO DONT POST ABOUT THEM IN THREADS ABOUT USDM CARS OR PARTS TO AVOID CONFUSING THE IDIOTS, HERE

GOT IT????
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