Posted by Dereck Borders on December 02, 2009 at 13:21:54 from (12.22.180.2):
I have a friend who has a 70 lp JD. He asked me to look at it during the Thanksgiving weekend. A couple of weeks ago according to him it backfired a couple of times and then seemed to lose a bit of power. Now the exhaust turns cherry red after just a couple of minutes run time. Tractor starts right up and is not missing but has a different sound to the exhaust. I pulled plug wires off individually while it was running to verify it was not missing. I seem to think lp gas is being burned in the exhaust but have never run across this before and don't really have an idea. We also pulled the valve cover and everything there seems to be working as it is supposed to. Anybody got any thoughts? Any help is appreciated.
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Today's Featured Article - A 1937 John Deere Unstuck - by Gary Hickman. Here is my story of how I got the pistons out of a 1937 JD B that the engine had been stuck for about 14 years: About 12 years ago my Dad gave me one of the tractors I ran as I was growing up on our farm in central Nebraska. The engine on this tractor, a 1937 John Deere "B", had been stuck for 2 years before he gave it to me. This last spring (1999) I hauled the tractor to our 2 acre lot in St. Libory Nebraska where it joined my antique machinery collection, at that time a 1929 Caterpillar T
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