Freeing a stuck engine
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==Preparation== | ==Preparation== | ||
What you discovered above will lead you to understanding the solution to unsticking the engine. An engine that was in a covered shed, had no visible sign of water infiltration, and was full of oil and coolant- but stuck- is usually an easy fix. The rings, which are cast iron, are usually stuck to the cast iron cylinder walls but only in the cylinders which are open to the atmosphere. If you followed the firing order of the engine, you could determine which are open cylinders and which are closed. You can start by pulling the spark plugs out and inject [http://www.crankshaftcoalition.com/wiki/Removing_stuck_fasteners#Some_recommended_penetrating_fluids penetrating oil] with a trigger type oil can.<br> | What you discovered above will lead you to understanding the solution to unsticking the engine. An engine that was in a covered shed, had no visible sign of water infiltration, and was full of oil and coolant- but stuck- is usually an easy fix. The rings, which are cast iron, are usually stuck to the cast iron cylinder walls but only in the cylinders which are open to the atmosphere. If you followed the firing order of the engine, you could determine which are open cylinders and which are closed. You can start by pulling the spark plugs out and inject [http://www.crankshaftcoalition.com/wiki/Removing_stuck_fasteners#Some_recommended_penetrating_fluids penetrating oil] with a trigger type oil can.<br> | ||
| − | {{Note1}} Diesel fuel reeks and will leave a foul smell on everything it comes in contact with. For that reason, diesel fuel is not recommended for use unless that is all that's available. Marvel Mystery Oil, PB blaster or WD-40 are all acceptable, and kerosene or kerosene/ATF mixed together works as well. | + | {{Note1}} Diesel fuel reeks and will leave a foul smell on everything it comes in contact with. For that reason, diesel fuel is not recommended for use unless that is all that's available. Marvel Mystery Oil, PB blaster or WD-40 are all acceptable, and kerosene or kerosene/ATF mixed together works as well. DO NOT use gasoline or other highly flammable solvents as they do not provide any lubricity, plus they are a respiratory and fire hazard. |
| + | {{Note1}}Some years ago, a machinist's magazine did a [https://duckduckgo.com/?q=machinist+magazine+penetrating+oil controlled study on penetrating oils], and found that ATF mixed 50/50 with acetone outperformed all other penetrating oils by a wide margin. Be aware that caution should be used when mixing or applying acetone-containing mixtures. Acetone is highly flammable, especially so when suspended in air and should be handled with care. | ||
[[File:MMO gall.png|MMO gall.png]] [[File:W-d40 gallon.jpg]][[File:PB Blaster gallon.jpg]] | [[File:MMO gall.png|MMO gall.png]] [[File:W-d40 gallon.jpg]][[File:PB Blaster gallon.jpg]] | ||
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