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Next-Gen 5w-30 1158 miles '99 Suburban 7.4 #2886235
01/27/13 08:39 PM
01/27/13 08:39 PM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
Got another in a chain of UOAs on my '99 Suburban tow vehicle. This is the first UOA (but second fill) after replacing the lower intake manifold gasket chasing the coolant leak shown in the analyses. Probably not useful to anyone but posting it here to reference from another thread.


Re: Next-Gen 5w-30 1158 miles '99 Suburban 7.4 [Re: rationull] #2886477
01/28/13 04:25 AM
01/28/13 04:25 AM
Joined: Jul 2006
Posts: 2,338
Magnolia, TX
INDYMAC Offline
INDYMAC  Offline
Joined: Jul 2006
Posts: 2,338
Magnolia, TX
Thanks for posting. One thing I've decided to do is stop using engine oils with high sodium content. It is very difficult to easily see contamination improvements with high sodium content.


2013 Toyota Tundra DC 4X4 5.7L FFV
2012 Toyota 4Runner 2WD SR5
2004 Honda S2000
Re: Next-Gen 5w-30 1158 miles '99 Suburban 7.4 [Re: rationull] #4454274
07/09/17 12:22 PM
07/09/17 12:22 PM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
Reposting image due to hosting problem.



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