Today is the first I used IH C to mow with after turning the main jet out another 1/4 turn. It takes about 40 minutes to mow yard. Tractor was up to normal operating temp, 135 degrees. The boss was using it today. When she turned the tractor off, the throttle was in the middle position, more than a fast idle. I was expecting a little dieseling. Nothing, engine stopped like it should.
I think this is proof that a LITTLE lean of peak temps in THE COMBUSTION CHAMBER are cooler. Going way past lean of peak, from what I've read, will cause detionation, pinning, and do damage to pistons and valves.
I'm happy with my experiment, well worth the $22 for an exhaust temp meter. Bet the gas savings will pay for it really fast.
Now I need a way to lean out the 20 hp kohler, which and no carb adjustments.
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Today's Featured Article - A Belt Pulley? Really Doing Something? - by Chris Pratt. Belt Pulleys! Most of us conjure up a picture of a massive thresher with a wide belt lazily arching to a tractor 35 feet away throwing a cloud of dust, straw and grain, and while nostalgic, not too practical a method of using our tractors. While this may have been the bread and butter of the belt work in the past (since this is what made the money on many farms), the smaller tasks may have been and still can be its real claim to fame. The thresher would bring in the harvest (and income) once a y
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