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Just replaced spark plugs on my '93 7.5L 460...
2nd time they have been replaced. First time at 65,000 and now at 130,000. They looked good but figured it was time. I used Motorcraft Platinum before (same as the factory ones). This time I switched to Autolite Platinum. They look identical, including color of stripes on the plugs. Only difference I could tell was the part number stamped on them.
Does anyone know if Allied Signal (fram/autolite) is making these plugs for Motorcraft? The reason I ask is I am hoping to get another 65,000 miles like the last set.
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