From time to time I read posts suggesting that old engines be flushed with a strong oil detergent and then start using high detergent oil. I choose to not do that and here is why.
Generally speaking, flushing only partially flushes. A new detergent added partially dissolves some of the crud but only loosens some of the curd. The loosened crud becomes “cholesterol” in the engine’s blood stream and will likely cause damage to close fitting bearings.
Would the oil filter on my DC Cases quickly filter out all the solid particles of loosened crud? I don’t think so. It is not a “full flow” filter. The tiny oil lines, going to and from the DC oil filter, need a “thousand trips” of the oil thru the oil pump for all the oil to have made one pass thru the filter.
From many years of scrubbing curd off engine internal surfaces, it has become my theory that most curd tends to stay harmlessly in place unless attacked by a new detergent. Therefore, I use oil for my antique tractors that is labeled as heavy duty, non-detergent.
Generally speaking, flushing only partially flushes. A new detergent added partially dissolves some of the crud but only loosens some of the curd. The loosened crud becomes “cholesterol” in the engine’s blood stream and will likely cause damage to close fitting bearings.
Would the oil filter on my DC Cases quickly filter out all the solid particles of loosened crud? I don’t think so. It is not a “full flow” filter. The tiny oil lines, going to and from the DC oil filter, need a “thousand trips” of the oil thru the oil pump for all the oil to have made one pass thru the filter.
From many years of scrubbing curd off engine internal surfaces, it has become my theory that most curd tends to stay harmlessly in place unless attacked by a new detergent. Therefore, I use oil for my antique tractors that is labeled as heavy duty, non-detergent.
