DO.. you have the correct plugs... ie the sealing rings type or the bevel type... the plugs MUST match the head that they are installed on. And.. are they tight enough to seal?? If you got 90 lbs on a compression test, you will get 70 lbs with a leaky plug.
INstall the plugs,, spray some starter fluid, or carb cleaner on them to clean them at the head... They should stay clean unless the valve cover is leaking or the plugs are leaking. Should not have oil coming out of the plug hole.
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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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