Mobil 1 rumors......

**Rich Z** · 07-06-2007, 06:51 PM

Been hearing rumors, not really substantiated yet, that Mobil 1 has changed the formula in their synthetic oils. Some car manufacturers are no longer recommending it. It is just coincidental that I got my first oil change today with Royal Purple.

Anyone heard anything substantial about this?

This could be an interesting FYI to some of you....

CHASZ51 · 07-06-2007, 07:47 PM

Never heard a peep about it.

2Vettes · 07-06-2007, 08:45 PM

I'm all ears, though

ynkedad · 07-06-2007, 09:55 PM

Quote:

Originally Posted by 2Vettes

I'm all ears, though

Again...

**Rich Z** · 07-07-2007, 01:47 AM

Just catching bits and pieces of rumors.....

http://theoildrop.server101.com/foru...e=0#Post929330

Quote:

all i know is that uoa's show that mobile 1 syn most of the time shows HIGH iron wear. iron wear = piston and ring wear correct? that = not good.. but there are some on here that have been using mobile 1 syn for years and have over 200k miles on their motors. but people here have that with just conventional oil without using oil additives..

Quote:

I've been following the High Iron discussion. My Sienna had a UOA at 4.3k (dipstick sample, I'm taking the oil to 10-12k) - Blackstone made a comment on the iron level (15ppm) but said it's nothing to worry about yet, but to keep an eye on it. So I'm indeed watching M1 and iron! (Oil was M1 EP 5w30 - presently topping off with M1 0w40 to try to slow consumption a bit).

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Here's an interesting read if you have the time -> http://www.lnengineering.com/oil.html

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And here's the thread where I first heard the rumors -> http://forums.corvetteforum.com/show....php?t=1748631