How do these look to you? I've been leaning out the cruise mixture so the AFR is running 14.9-15.4 at cruising speed. They look a little lean to me. I'm using a MegaSquirt MSPNP Gen 2 ECM and TunerStudio to tune it.
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Opinions on my spark plugs
- Thread starter Elutheros
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Dirtman
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They look like the wrong brand for a Ford...
Uncle Gump
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VAGABOND
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I thought the positive electrode looked a bit whack... then I noticed the V-power thing.
They don't look to lean to me... but I would switch over to some Motorcraft or Autolites and try again. I have never had any luck running anything else in a Ford. If you're trying to seriously read plugs and dial it in... I would probably index the plugs too before trying to read them.
They don't look to lean to me... but I would switch over to some Motorcraft or Autolites and try again. I have never had any luck running anything else in a Ford. If you're trying to seriously read plugs and dial it in... I would probably index the plugs too before trying to read them.
I had those copper NGKs in there for about 2k miles and just put Motorcraft double platinums in it today. I'm running EDIS ignition with Explorer coil packs so the wasted spark wears the copper plugs out faster.
Eddo Rogue
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+1 go autolite or motorcraft.
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Those are Nissan plugs. lol. Nissan's love NGK plugs.
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