I also like the low ash oil in the six cyl gasoline engines. Burns much cleaner so it does not leave nearly as much hard ash deposits behind on the valve head, piston heads and spark plugs. All IH gasket sets contain good and proper seals for that engine and have since about 1970. The intake guides have to be replaced with correct ones or machined to accept the seal supplied in gasket pkg. IH had a rather lengthy service bulletin at one time showing the results of using low ash oil and valve seals on those 6 bangers. One thing that never seems to come up on the valve burning situation is that the original factory installed valve seats were often not tight in head. You could tap on them very lightly and they would pop right out. That was a problem way back in the truck engines as well. We installed a lot of .015 oversize valve seats and that cut the valve burning way down even before IH introduced the low ash oil. I had a couple of those valve burning buggers in the immediate area. Pulled some hair out for a while until I finally talked the boss into getting a valve seat cutting machine. It was hand operated and I got a whole lot of exercise out of it. Now days, everyone just takes all that stuff to a machine shop. I had to rebuild them myself. Now as far as IH oil being the same, well nooooo, it is not. The base oil might be the same as other brands but the blender , Viscosity Oil for CASEIH and previously IH does not have a oil refinery. They purchase the base oil that meets their specs and then do the blending with their own additives to complete the package. It is a constant changing mechanism as you can see with all the changes that keep coming. It is darn spendy so up to you what you use. I would use it.
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Today's Featured Article - The River Tractor - by Charlie English Jr.. This is a 4010 John Deere that was used to farm on the Diamond Island which is in the Ohio River about 15 miles southwest of Evansville, Indiana. About ten years ago, this tractor was parked close to the bank as the river was washing the bank of the island away.
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