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Champion D-23 Plugs in John Deere LA?

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AWB

02-04-2003 04:59:21

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Have been having a lot of spark plug fouling problem in my newly remanufactured John Deere LA engine. I understand that Champion D-23 plugs are a hotter plug. Would they be OK to use? The Magneto has been rebuilt and has a blue spark and the spark plug wires are metal core. Thanks AWB

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JDM Guy

02-04-2003 15:26:27

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Re: Champion D-23 Plugs in John Deere LA? in reply to AWB, 02-04-2003 04:59:21

You can use Champion H-12 or try H-10C. I have an L and i run H-10C. Never fouled a plug.

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Bob Collins

02-04-2003 07:46:18

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Re: Champion D-23 Plugs in John Deere LA? in reply to AWB, 02-04-2003 04:59:21

AWB, The LA head takes a 14mm thread spark plug, and the D-23 plug has a larger thread (I think 18mm or 7/8), anyway it won't fit, but there are lots of heat ranges available in 14mm, so pick a brand you like and look at the heat range chart in the catalog at any place they sell plugs. You can start with what you are using and go a step or 2 hotter. I use Champ H-10 plugs in mine, (they may have a new number now) but it doesn't get run much.

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