bosch super4 any good?
28 September 2010, 02:38 PM
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bosch super4 any good?
Hi I have always used ngk PFR6B, however halfords do bosch super 4 for the impreza, I wandered if these were better or worse??
28 September 2010, 03:04 PM
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But is the gapping the same?? I ask because it is being re tuned tomorrow hoping to make 480ish, and I have a pair for free brand new being offered. Still boxed etc.. Will they be the same as the ngk apart from lasting life?
28 September 2010, 03:05 PM
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I ask about the gap because Bosch standard plugs for the impreza turbo listed, come with 1.3mm gap!!! And ideally I need 0.6 - 0.65!!
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