NGK pfrb7 or pfrg7 11's?????????
29 November 2008, 12:41 PM
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NGK pfrb7 or pfrg7 11's?????????
Looking for plugs for a 2003 WRX which will have 340 bhp next year.
B's or G's???????
29 November 2008, 12:46 PM
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im in the same scenario........heard all good things about NGK pfrb though.
You gonna rung td05 16g for 340?
29 November 2008, 01:02 PM
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I'm going for the VF35 instead with pink injectors!
29 November 2008, 02:17 PM
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7b's are the way to go
29 November 2008, 03:53 PM
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Yes, you'll need PFR7b set at no more than 0.7mm
(The "11" bit refers to the gap at 1.1mm)
JohnD
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