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Spark plugs for 380bhp wrx advice needed!!!
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Old 07 May 2012, 04:41 PM   #1 (permalink)
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Exclamation Spark plugs for 380bhp wrx advice needed!!!

Hi,

I own a 2005 subaru wrx and im upgrading it to about 380bhp and ive heard that you have to upgrade the spark plugs cos there sensitive to heat.

I was searching online and I saw that there was different heat grades for spark plugs??

So, does anyone know what are the best spark plugs for a 380bhp wrx and what heat grade they should be.

Thanks,
ScoobyWorks
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Old 08 May 2012, 11:41 AM   #2 (permalink)
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Re: Spark plugs for 380bhp wrx advice needed!!!

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