Patrick Martin said: (quoted from post at 18:18:07 05/05/08) I rebuilt this tractor last year and aside from the chug-chug-chugging of smoke that I get from the oil filler tube everything is 100% AOK with this machine.
I've changed the head gasket, rings, etc got great compression....I just dont see where this is coming from?????
I have looked high and low for cracks in the head, etc and I don't see a thing. I have new stem seals, valves, and valve guides installed in the head. Anyone know where this is coming from???? :?
I haven't seen the video being I can't look at it here at work but I'll offer this from my experience. Tractor seems to make good compression and power but has alot of blowby. I'm thinking something is outta round. Did you mic the sleeves every 45 degrees to see if it might have been outta round? What about the pistons did you do same? Not saying it is outta round but maybe this was asked before and I didn't see the reply but did you hone the sleeves? The sleeves need a rough surface to help seat them. If your sleeves are warped then honing or reringing isn't going to help. On your leakdown test did you do it with the motor warm or cold? I'd try doing one with the motor warm and the cylinders at BDC and TDC and see what happens. You shouldn't have more than 10% loss eithor way.
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let’s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
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