Spark Plug change? When do you modded guys do it?
12-18-2003 | 11:30 PM
#1
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From: ...a craphole in No.County San Diego
Car Info: MMVI AW WRX STI
Spark Plug change? When do you modded guys do it?
Hey! The dealers (and manuals) recommend not changing the platinum plugs on the WRX until 60k.
What do you guys think the interval should be for a mildly modded car? I have 28k now, and have completed the 30k mile service.
Are you using the stock plugs?
What do you guys think the interval should be for a mildly modded car? I have 28k now, and have completed the 30k mile service.
Are you using the stock plugs?
12-19-2003 | 12:43 AM
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From: Reno, NV
Car Info: 1993/2000/2001 GF4 mostly red
Originally posted by mexicanpizza
Coppers go away fast but spark better supposedly right?
Coppers go away fast but spark better supposedly right?
12-19-2003 | 06:59 AM
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From: Gilroy, CA
Car Info: 2017 WRB WRX Premium
Eric, since you are upgrading soon to a Stage 4 equivalent, I will suggest to install a set of colder range plugs before the new equipment goes in. Right now I am running one set colder platinum plugs. I may go with Iridium some day, but I just can't see myself spending $60 on a set of plugs. Also, copper plugs wear out a little over 5K miles, so you will need to change them practically every oil change.
Hope this helps.
Kurlee Daddee
(THE ORIGINAL)
Hope this helps.
Kurlee Daddee
(THE ORIGINAL)
12-19-2003 | 07:59 AM
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Yup, coppers don't last as long, but give you a better spark where platinum's are the opposite with a longer life, but not as good of a spark. They have plugs called Iridiums or something like that, which are supposed to have the best of both worlds. They are most likely a little more expensive, but they might be worth it.
12-19-2003 | 11:52 AM
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Originally posted by mexicanpizza
Thanks guys. Kurlee...where are you getting your platinum plugs? Local or online?
Thanks guys. Kurlee...where are you getting your platinum plugs? Local or online?
Kurlee Daddee
(THE ORIGINAL)
12-20-2003 | 11:32 AM
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hmm i don't know about that copper giving the better spark. The platinum aren't as good as a conductor as copper but they do make the firing tip for platinum and iridiums smaller.
What i like about platinum and iridium is smoother acceleration longer life and it's not that much more for me. If you guys need some ngk let me know i'll see what i can find for you guys.
What i like about platinum and iridium is smoother acceleration longer life and it's not that much more for me. If you guys need some ngk let me know i'll see what i can find for you guys.
12-31-2003 | 04:05 PM
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From: ...a craphole in No.County San Diego
Car Info: MMVI AW WRX STI
So here goes a research summary and part numbers (mostly from http://www.ngk.com/results_app.asp?AAIA=1378773)
Stock = PFR6G (platinum)
Iridium version = BKR6EIX
Copper version = BKR6E
One step colder platinum is not made anymore by NGK, it has been replaced by the iridium version, BKR7EIX. Now there is a BKR7EIX-11 version which is a wide gap >0.044" which you'd need to gap down quite far, which is not recommended by smart people here.
Now...anyone have that plug locally?!?!
Stock = PFR6G (platinum)
Iridium version = BKR6EIX
Copper version = BKR6E
One step colder platinum is not made anymore by NGK, it has been replaced by the iridium version, BKR7EIX. Now there is a BKR7EIX-11 version which is a wide gap >0.044" which you'd need to gap down quite far, which is not recommended by smart people here.
Now...anyone have that plug locally?!?!