Posted by Andy R on May 24, 2017 at 21:18:12 from (166.181.82.164):
I was in need of a 706 gas engine and found one earlier in the week. Engine (263) will be coming out of a very original 1963 706. Looks like it had been taken care of. Cylinder head has been off at sometime as the head had been cleaned and not repainted. This engine starts well, idles well (possible miss), sounds pretty decent under load in high 4th on the road - especially when speeding up. When in road gear and it reaches rated rpm it sort of sounds like it the engine starts to "float" and possibly miss. It looses its strong exhaust sound. The engine never smokes and blow-by is normal in my mind. I sort of think it has an exhaust valve going out as this is very common with these engines. Generally when the valves start to get burnt up it means the engine is burning some oil. Probably needs the valve lash adjusted as well. My question is if I can't get it to sound right with a tuneup and end up pulling the head and checking/grinding the valves can I just do the bearings and then do the rings to stop oil consumption using the existing sleeves and pistons????? Tractor will not see a plow or disk. Maybe an auger or chore tractor. Years ago Farmall H's and M's were just re-rung all of the time. Can I get by with a ring job once if I find the pistons are not all scored up??? I know ideally that sleeves/pistons are best, but the tractor is just going to putz around. Don't beat me up. Just want to know if I can re-ring successfully. Thanks.
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Today's Featured Article - Tuning-Up Your Tractor: Secondary Ignition Wires and Distributor - by Curtis Von Fange. In our last episode we spent the entire day checking out the spark plugs. Is that efficency? Actually, it took more time to explain than it really did to do the inspection. At any rate we decided that a compression test was in order so we could verify the internal engine status. That way we wouldn't buy any tune up parts until we were sure that the engine was in reasonable mechanical condition. Our tests showed a fictional compression reading of 85, 80, 82 and 86 psi. That is well within a
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