Posted by Steve@Advance on December 07, 2017 at 19:33:00 from (66.169.147.211):
In Reply to: Educated Guess Request posted by pat sublett on December 07, 2017 at 16:52:48:
You're asking for a guess...
Is there excess smoke puffing out the crankcase vent pipe?
If yes, it is probably rings.
If no, it's probably a valve problem.
If valves are suspected, take the valve cover off, check the valve lash clearance, look at the valve springs for broken coils, turn the engine through and watch that the valves are opening. Could be a flat cam or bent pushrod.
If you end up pulling the head, be aware that the cylinder liners just sit in the block, held down by the head. With the head off, they need to be bolted down with a couple of bolts and washers to prevent them from riding up and breaking the seal at the bottom of the block. If any ride up, trash will get under the seal and leak coolant into the oil. Whole nuther can o' worms!
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Today's Featured Article - Converting from 6 Volt to 12 Volt - by Chris Pratt. It's a common problem for old machines especially when the weather starts to dip below 40 and the tractor isn't fired up as often. You are probably used to the 12 volt Diehard, charged with 200 amp alternator of your 3/4 ton that always is ready and always starts. It's this type of experience that brings about the many queries we get for 12-volt conversion kits. Since only a few kits are available (we sell kits for the
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