still having heavy valve tick sound unless engine is 100% working warm. I checked with stethoscope for fan hitting shroud, exhaust leak, timing gear noise, etc. Still sounds like valve tick. I pulled spark plug wires off individually, and engine still makes the same amount of valve tick noise even while running on 3 cylinders. So I'm thinking that eliminates piston slap, wrist pin, etc. I did notice that upon mild "throttle up" of engine RPM, ticking stops, upon pushing throttle closed and at idle up to about 1100 RPM still ticks, but seems to go away upon pushing "throttle up" for more RPM. Anything over 1200 RPM or so, no noise. I added lead additive to the fuel. Any ideas would be appreciated. I should have dropped a feeler gauge at tappet clearances, with the engine running, to see if I could nail down when valve it was, but I forgot to do that and put it all back together...pained etc.
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Today's Featured Article - A Brief History of Tractors in Australia - by Bob Kavanagh. After Captain Cook's exploration of the east coast in 1770 the British Government decided to establish a penal colony in Australia. The first fleet arrived in 1788 and consisted mainly of convicts who were poorly equipped and new little of farming techniques. The colony remained far from self-supporting and it was not until the early 1800's that things started to improve. Free settlers started to arrive, they followed the explorers across the mountains and where land was suitable set up farms. T
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