Robert,
I've never had any oil analysis performed, but others on the list have.
(They can be found in the archives.) After the first 10Kmi, I switched to
Mobil-1, and use Wix filters. (The Wix filter I use is twice the size of
the stock one.) The filter gets changed every 5Kmi., and the oil every
10Kmi. The last time I tore down the engine at ~53Kmi., you could easily
see all the cross-hatch pattern honed into the cylinder walls. No sludge
build up on anything, and the top of the pistons were in suprisingly good
shape with very minimal build-up. The valve stems had accumulated some
deposits, but very minimal compared to other engines.
It makes you wonder with many manufactures now telling you 7500mi. between
conventional oil changes, and they use an oil filter the size of a baseball.
I don't know the story behind that, but I do know what my engine looks like,
and what it runs like. I'll stick with the Mobil-1 and oversized filters.
Rich - Ashburn, VA
PS. I used to have an excellent website that did a complete rundown on the
makeup of synthetic and conventional oils. Of course I cant fine it now,
but when I do, I will post it.
-----Original Message-----
From: Robert R.II [mailto:iicold@hotmail.com]
Sent: Tuesday, November 20, 2001 1:36 PM
To: dakota-truck@buffnet.net
Subject: DML: mobil 1....again
Alright ya'll, it's time to change the oil again and since break-in I've
been running Mobil 1 with a variety of different filters, but preferably and
most of the time, the Mopar filter. This time, I'm going to try the Mobil 1
filter with the oil, but I would like to know from some of you more
knowledgeable, engine-builder and taker-aparter guys:) if the filter and the
oil is really, really worth the cash. I'm a college student that is broke
and poor, I know that it sounds redundant, but believe me there's a
difference, but it doesn't matter because I'm both and I just want to know
that the stuff is worth the extra "cheese". Anybody is welcome to jump in
on this question, but I would really like to hear from you guys that have
taken apart the motors to inspect the wear with M1 compared to conventials.
Thanks again.
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