It take little coolant to make the white smoke. If you have run it for minutes at a time the level will not go down dramatically. The test is to let it sit for a day then pull the plugs and crank it (ignition off) if coolant comes out, or there is coolant on the plug, that cylinder is leaking. The intake and exhaust ports are in the block. They can crack and leak coolant into the intake or exhaust. If the crack is where the manifold is going to one end of the engine, that end is likely to have the leak. A cylinder leak down test (research) or compression test will also help decide your move. Were it mine I would do both, and the above test. If you run it you will ruin it. Jim
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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