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- Thu Aug 04, 2005 4:35 pm
- Forum: Early model JD crawler technical support
- Topic: MC spark plugs
- Replies: 6
- Views: 10028
MC spark plugs
I have been fouling my forward sparkplug (Champions) latley so I tried using a pair I had for my 9N tractor ( Autolight 437 ) The engine runs a little better but also hotter. Any spark plug recommendations? My motor is fairly tired but does not smoke much.