I"m not up on all the fancy names for technical stuff...But, here goes....When I started working for a Deere dealer back in the mid seventies , It was explaned this way..When the power stroke of the diesel engine is initiated the cylinder wall expands ever so slightly..When the pressure is released the cylinder wall returns to it"s original size..This makes a small "vacuum bubble" on the external cylinder wall[ water jacket side]..Then the power stroke occurs again..When the cylinder wall expands again , the Vacuum Bubble explodes..This action over years causes the erosion of cylinder walls.. An additive can be added to the coolant to change the PH of the coolant , thus reducing the bubble formation..After every engine overhaul , I add the coolant additive as per instructions on the container..I usually add a NAPA coolant conditioner to ethylene glycol mixed to 50/50 with clean water..Some engines have a coolant filter/conditioner that can be changed at regular intervals..As far as water pump lubricant goes.....The only thing it could possibly lube is the waterpump seal..Most are ceramic and don"t require lubrication. Plain water for coolant will cause advanced pitting due to PH of water less the antifreeze..
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Today's Featured Article - Tractor Profile: Allis-Chalmers Model G - by Staff. The first Allis-Chalmers Model G was produced in 1948 in Gasden, Alabama, and was designed for vegetable gardeners, small farms and landscape businesses. It is a small compact tractor that came with a complete line of implements especially tailored for its unique design. It featured a rear-mounted Continental N62 four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The rear-mounted engine provided traction for the rear wheels while at the same time gave the tractor operator a gre
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