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Posted: 3/13/2005 10:26:50 AM EDT
Link Posted: 3/13/2005 10:28:45 AM EDT
Lots of good talk on Bobistheoilguy.com.

More stuff added to Mobil 1 to make it extended drain.
Link Posted: 3/13/2005 10:42:15 AM EDT
Most name brand oils will last far past ghe old recomended 3k interval. Engines have improved greatly.
Link Posted: 3/13/2005 10:43:26 AM EDT
Link Posted: 3/13/2005 10:45:39 AM EDT
oils and engines have improved a lot, and with high end true synthetic oils you can get much more life out of your oil. personally I'm the paranoid type and I like to change my oil more often than i really have to. a few hundred dollars in oil and filters over the life of an engine is a lot easier than a couple thousand for a new engine in the case of my BMW.
Link Posted: 3/13/2005 10:48:32 AM EDT
Mobile One has always been touted as 15k. The ex wife's Porsche has recommended oil change interval of 15k. I told her to do them at 7.5k anyhow. It is a pure synthetic and doesn't break down as quickly as natural oils.
Link Posted: 3/13/2005 10:51:06 AM EDT
Its good. There is no reason to change full synthetic ever 3k. 10k miles is appropriate for 90% of drivers.
Link Posted: 3/13/2005 10:57:29 AM EDT
[Last Edit: 3/13/2005 10:58:13 AM EDT by gamesniper]
I have a 1989 Toyota 4WD with 200380 on it and I RARELY wait for 3K anymore.

If I have 2 or 3 deliveries (my deliveries average 300 miles round trip, sometimes 500 R/T) I'll change the oil even if I'm 1500 under 3K.

No thanks. I'll stick to good 'ol Quaker State 10-30W and 10-40W.
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