S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

hmm.. changed spark plugs to bosch F5DP0R from NGK.. now im missing in every cyl

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Old 01-05-2007, 07:02 AM
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2nd. Again, I've been through 2 sets. No problems at all.
Old 01-05-2007, 08:11 AM
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Default It's the plugs, they are a poor choice, and kinda a crapshoot whether they will work or not.

ngk pfr7q would be a better choice since they are an rs4,rs6 plug, and are cheaper to boot. I know people who run them on the board will **** a brick defending them, but there have been to many people with misfire problems(me included) to recommend them over better designed 2.7T plugs. If you saw the pictures of the plugs that were removed from my engine no one would use the f5dpor.
Old 01-05-2007, 09:28 AM
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Default I disagree- While their may be some twist it is negligible. Every book on this that I have ever...

read or referenced(usually aircraft mechanical books)states as long as the center of rotation does not change that torque settings do not change when using an extension.
Old 01-05-2007, 05:14 PM
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Second that, the PFR7Q has worked much better for me too.
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Quick Reply: hmm.. changed spark plugs to bosch F5DP0R from NGK.. now im missing in every cyl



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