Your pictures show a Neuss built engine, D-179 which is referred to as the German diesel. IH had many, many service bulletins out about that eye burning stinking engine. One guy even claimed his cows got sick when he used that style engine in the barn and was taking IH to task over it. So, what they did was made a higher compression piston and changed the injection nozzles to low sac nozzle tip. The nozzle made for less dribble after injection and the compression ratio raised the cyl temp for more complete combustion under light or no load conditions. You cannot lean out a diesel as you do a gasoline engine BECAUSE the amount of fuel you inject is what controls the speed of the engine. When you make adjustments to the pump like giving it more or less fuel you are adjusting the limits of how much fuel it can deliver. In other words, adjusting a stop for maximum movement. Timing of injection effects smoke and running but more than likely your problem is lack of heat, and I don't mean coolant temp, I mean combustion temperatures. Put it to work, and then see what you have.
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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