1948 HD 25 Spark plugs

This topic has 1 reply, 2 voices, and was last updated 2 years, 7 months ago by labrador-guy.

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March 28, 2023 at 7:38 pm #274535
chrisidcw
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Want to verify which plugs to use. I was told Champion J6J. Any other thought suggestions?
March 29, 2023 at 12:38 pm #274552
labrador-guy
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Ya the j6j was what was recommended back 1948. It is no longer available so we use j6C, same heat range. Some people only use NGK other fellas use AC they will all work fine. It’s like arguing which is better Ford or Chevrolet! Pick your poison!

dale
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