Quote:
Originally Posted by 19Fordy
Does the idea of draining the warm old oil and then putting in a quart of kerosene
(without the engine running) help in draining out the old oil and sledge that may have accumulated?
Add fresh oil after kerosene has drained out. QUESTION: Will the residual kerosene harm the engine by doing this?
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Likely won't do any good. The kerosene will just make a beeline for the drain opening and be gone. To do any good, it has to slosh around in the engine awhile. And while many engines have been flushed (supposedly) with kerosene or Diesel fuel and survived, I don't want my engine's oil diluted with a non-lubricant!