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West Central Iowa | I use the 630 around the place for odd jobs, auger work, etc. I needed to replace plugs and Deere gave me AC Delco C87. When I got back and pulled the out the old ones, one was a Champion D21 and one was a Champion D23.
A few questions.....
1. Should I be concerned that there were two different plugs in the tractor? Are there any negative effects that could come from the situation?
2. What plugs do people use in two-cylinders....what brand and number? | |
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JD 630 spark plugs
