Older now
These machines are 30 yrs old and the pump doesn't pump the pressure or flow it did when new and cooling the oil makes more pressure and it carries lots of heat away from the engine. I'm sure hobbyman knows from his experience with model engines. More oil in the fuel means a cooler engine. Also with a oil cooler there is a larger quantity of oil in the engine as it takes more to keep the lines and cooler full and still have a full sump where the pump is. Since the engine is older and tolerances are usually greater cooler oil helps keep things from wearing out so quick. I still believe in them and am still looking for an adaptor.
These machines are 30 yrs old and the pump doesn't pump the pressure or flow it did when new and cooling the oil makes more pressure and it carries lots of heat away from the engine. I'm sure hobbyman knows from his experience with model engines. More oil in the fuel means a cooler engine. Also with a oil cooler there is a larger quantity of oil in the engine as it takes more to keep the lines and cooler full and still have a full sump where the pump is. Since the engine is older and tolerances are usually greater cooler oil helps keep things from wearing out so quick. I still believe in them and am still looking for an adaptor.
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