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Old 11-20-2008, 11:42 AM   #1
Scooby Newbie
Member#: 165834
Join Date: Dec 2007
Chapter/Region: MWSOC
Location: Wisconsin Rapids, WI
06 STI

Default 60K vs 30K Plugs

I was looking at the maintenance schedule as I just passed over 31000 on my STI. So Ill be doing this all in the spring.

My question is I noticed that the non-turbo cars should change plugs at 30000 miles but the turbo cars are at 60000 miles. Why is this? Different plugs? Maybe I mis-read?

Also since Ill be doing alot of maintence for spring anyways is it recommended to just do the plugs at 30k anyways?
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Old 11-20-2008, 12:06 PM   #2
Scooby Specialist
Member#: 170212
Join Date: Jan 2008
Chapter/Region: RMIC
Location: West Haven, Utah

plugs are supposed to be done at 60 AFAIK, but i would do them every 30 anyway
wouldnt hurt anything
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Old 11-20-2008, 12:13 PM   #3
Scooby Newbie
Member#: 100148
Join Date: Nov 2005
Chapter/Region: Tri-State
Location: South Jersey
2003 WRX Wagon


I'd pull them to just check them, but I doubt you'll need to change them at only 30k. They're platinum plugs, which are made to last awhile. For my wife's Accord, Honda recommends the same platinum plugs and they suggest changing them at 105k miles. I think Subaru already is playing it safe with 60k miles.

If they're suggesting 30k miles for non-Turbo cars then they probably run regular copper plugs ($2 jobs) because that's all you can run them for.
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