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| | [No title] (Site not responding. Last check: 2007-09-07) |
 | | As jet engines were developed after the war, it soon became evident that conventional lubricating oils couldn't withstand the high temperatures and pressures, and synthetics came to be used in all military commercial jet aircraft engines. |
 | | Following the year-long demonstration, each of the engines was disassembled, both to determine the levels of sludge, varnish, and rust that had accumulated inside the engine, and to carefully measure the amounts of wear experienced on critical engine components. |
 | | Finally, if you know that your engine has significant sludge or varnish buildup, common among petroleum-lubricated engines with higher mileage or that have had infrequent oil changes, it is sometimes recommended that it be flushed with an engine cleaner before switching to synthetics. |
| www.mr2.com /TEXT/synth_oil.txt (6087 words) |
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