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mike100 · 01-19-2015

The main reason for me personally is so that the oil filter doesn't blop out a bunch of oil on the front corner of the engine. The oil cooler won't drain since it is lower than the feed lines.

also define drain... I let it sit for a few hours before I pull the drain plug (and as mentioned, filter), but once that is done it is a 10 minute drain job. You will read about draining oil on a warm engine- I also feel you get a more complete draining, but really, just changing the oil without making a mess is all you need to do. If the oil is super bad, then you might consider running a cheap 10w-30 through it for 10 miles to flush, then come home, drain it and refill with the good stuff. If you have been keeping up with the maintenance regularly, then a simple 8-9 qt change is all you need- the oil cooler oil won't be that dirty anyhow if you change the oil like you are supposed to.

01-19-2015	#2
mike100 Join Date: Feb 2011 Location: San Marcos CA Posts: 1,802	Re: Changing oil...Let it drain overnight ? The main reason for me personally is so that the oil filter doesn't blop out a bunch of oil on the front corner of the engine. The oil cooler won't drain since it is lower than the feed lines. also define drain... I let it sit for a few hours before I pull the drain plug (and as mentioned, filter), but once that is done it is a 10 minute drain job. You will read about draining oil on a warm engine- I also feel you get a more complete draining, but really, just changing the oil without making a mess is all you need to do. If the oil is super bad, then you might consider running a cheap 10w-30 through it for 10 miles to flush, then come home, drain it and refill with the good stuff. If you have been keeping up with the maintenance regularly, then a simple 8-9 qt change is all you need- the oil cooler oil won't be that dirty anyhow if you change the oil like you are supposed to. Last edited by mike100; 01-19-2015 at 10:05 AM.