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Old 06-27-2007, 10:36 AM   #1
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Oil issues that effect us all

We are just starting to get wound up on this in naxja, for those interested you might want to read some. This could turn in to some really bad issues.

http://www.youroil.net/
http://www.lnengineering.com/oil.html

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Old 06-27-2007, 12:54 PM   #2
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So if we buy their products we will be OK? Did I miss something or this some advertisement driven by fear?

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Old 06-27-2007, 01:11 PM   #3
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Quote:
Originally Posted by MOz View Post
So if we buy their products we will be OK? Did I miss something or this some advertisement driven by fear?
The first link is a warning, the second link is the actual testing by the two leading labs on various oils. Like I said this is just getting wound up, some owners have been experiencing premature camshaft wear, lower oil pressures and such and even jasper engines has some notes on it. I've always run Mobil-1 10w30 in all of our jeeps for the past 10 years so I'm trying to find out more, I'm down to my last 10 5quart containers and 2 6packs of M-1 I bought over a year ago when walmart had them on sale for $15 which will cover the next two oil changes on the fleet.
On www.bobistheoilguy.com it is starting to show up. Just a heads up.
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Old 06-27-2007, 01:52 PM   #4
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I think it comes down to simple - basic maintenance... Change your oil regularly and use a high quality filter and oil when you do it. If you over heat your engine changing you oil is mandatory.

I don't know anybody (shop or individual) that actually analyzes their oil, you simply change it when it's due. If you have 100-150K miles on your engine, spring for a new pump and pickup screen while you're at it and you might get another 100K miles out of it.

Premature camshaft failure can be many factors. The biggest cause is poor circulation. Old oil, bad oil, clogged filter or supply/drain galley ways are most probable. The second biggest failure is due to poor metalurgical properties and/or machining of the camshaft. The stock units are general purpose so they are not made from high nickel and chromium alloy metals. I don't believe they are forged either, they're cast.

As much as I hate to say it, a Jeep motor is far from the specifications of a Porsche motor. You can drive a bus through the differences.
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Old 06-27-2007, 05:36 PM   #5
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have been running 15w-30 rotella in my vechiles for as long as I can remeber and 300,000 miles on an 86 comanche they must be doing something right. Is everyone switching over or is this like the stnthetic scare we had a while back?
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Old 06-28-2007, 07:53 AM   #6
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This whole thing has to do with zinc and phosperous content. Both are used in high pressure lubrication, high pressure like in the lifters riding on the camshafts type of pressure. They have slowly been reducing it since the early 90's to help prevent cat converter failure. More detail on the naxja site under this for those interested. http://www.naxja.org/forum/showthread.php?t=923009
Shell rotella T syn is still high in the desired numbers as you can read from the shell response down abit in the thread.

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