First of all, engine needs to be room temperature. Then start by tightening each plug just a bit. Then loosen and hope for the best. When they had the original plugs, I would loosen by an 1/8 turn, then fill the plug wells with carbon cleaner, let it sit overnight, and pull the plugs in the morning. Now that they are all on their second or third set, I haven't done the overnight soak. Save yourself having to do the job again, don't buy the Champion one piece plugs, they don't last long. Most of the Triton 5.4 I deal with having a misfire of late, have Champion plugs in them. Plus, those Champion plugs are expensive. Use Motorcraft.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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