I've had to adjust plugs on lots of things with new or used plugs as they get dropped or bumped and are off also most plugs are pre gapped for automotive uses since the loins share of them are used there and may not be the same gap as these old tractors. IF one plug is fouling or goes to missing you can give it a bit more gap and it wil help keep it from fouling as quick. I had an old Plymouth that would run better with about .045 gap than the .035 or what ever it was supposed to be set at. Was an old tired engine and used a bit of oil.
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Today's Featured Article - Recollections of a John Deere GP - by Charlie Cook. I grew up on my dad's 280 acre general farm in Western Michigan. Dad's only tractor when I was very young was the old GP. My first recollection of this tractor was when dad allowed my brother and myself to ride on the tractor with him driving. One of us would sit on the left fender (away from the clutch) and other would sit on the gas tank and hold onto the crankcase breather pipe.
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