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Old 06-20-2010, 01:09 PM   #64
fastfive09
Scooby Specialist
 
Member#: 169597
Join Date: Jan 2008
Chapter/Region: South East
Location: Baton Rouge, LA
Vehicle:
2011 WRX Sedan
Silver

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Quote:
Originally Posted by Clark Turner View Post

Also.. You did not mention if this was a stock motor and how many miles on it. You might need to carbon clean it. These 2.0s really carbon up bad. After the cleaning they tend to take full timing. Plugs should be new NGK one step colder and gapped to 026.

C
How does one go about this carbon cleaning? Is it a fuel additive or something?
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