Thread: Which Spark Plugs
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Old 05-25-2009, 11:43 PM
  #2  
cepx111
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RACING JUNKIE
 
Join Date: May 2006
Posts: 2,044
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Depends,

How much boost are you running?

I recommend NGK racing plugs.

A 6AL would probably surfice for the street with minimal boost but if your racing and stuffing it pretty hard, I'd go on up to the 7 series.

Cp
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