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Old 04-13-2003, 02:32 PM   #1
Scooby Specialist
Member#: 21481
Join Date: Jul 2002
Chapter/Region: NESIC
Location: Cambridge, MA
99 2.5RS
07 Forester STI

Default best spark plugs

What are the best performance plugs out there? I have NGKs but I didnt gap them before I put them in, should I have?
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Old 04-13-2003, 03:05 PM   #2
Scooby Specialist
Member#: 20444
Join Date: Jun 2002
Chapter/Region: MAIC
Location: Wilmington, DE|Berkeley
2006 Outback 2.5 XT
Garnet Red Pearl 5MT


Nah. I have NGK Copper V-power plugs and they were much better than the stockers. I didn't gap them.

There have been threads about this in the past, so try a search
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Old 04-13-2003, 03:20 PM   #3
Scooby Specialist
Member#: 13745
Join Date: Dec 2001
Chapter/Region: MAIC
Location: Delaware
2015 STI


The first time I changed my plugs, I checked the gap, and they were already at factory spec. I changed them again last week, and forgot to gap them, but I'm pretty sure they're fine. I also use NGK Copper's. BKR6E-11.
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