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Fuel and Oil Additives

1246 messages,  Last post on Sep 28, 2009 at 7:37 AM

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What is this discussion about? Fuel System, Engine, Fuel System, Oil, Diesel, Fuel Efficiency (MPG)

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#1241 of 1246 oil analysis by kurtamaxxxguy Sep 25, 2009 (5:17 pm)
An analysis of engine oil in my XT Forester at 3000 miles revealed the main additives were calcium, phosphorus, zinc, and molybdenum. A tiny bit of boron, silicon and iron were also there. Everything else in trace amounts.   The oil is Chevron 5w30 (I do not know AP rating but assume it's match for the Turbo engine as Subaru recommended it). Only additive is ASL Camguard.   Happily, the oil had little soot and no water/gas contamination. I did the analysis because some folks have had major XT engine failure around this mileage - this engine seems ok. Replies to this message: Mr_Shiftright (Sep 26, 2009 7:12 am) kurtamaxxxguy (Sep 27, 2009 9:54 pm) Mr_Shiftright (Sep 28, 2009 7:37 am)
#1242 of 1246 Re: oil analysis [kurtamaxxxguy] by Mr_Shiftright HOST Sep 26, 2009 (7:12 am)
Replying to: kurtamaxxxguy (Sep 25, 2009 5:17 pm) What was the nature of the engine failures you heard about? Replies to this message: kurtamaxxxguy (Sep 27, 2009 9:54 pm) Mr_Shiftright (Sep 28, 2009 7:37 am)
#1243 of 1246 Re: 'zddplus' is an additive [Mr_Shiftright] by mpcross Sep 26, 2009 (12:23 pm)
Replying to: Mr_Shiftright (Jul 02, 2009 5:07 pm) I Have to agree with Mr.Shriftright for about 99%. I always hold out hope that there will be something that comes along to make an engine last almost forever. Part of my wish came along with Syn oils,better filters/filter systems, and maybe someday a pour in can of "forever engine life" zero wear for 80 years!!!    Most of us know the additives,for all intent will not get you much and if they did then why use oil,Put in one can STP,Prolong,Z-Max, Teflon junk?,one can of whatever Wal-Mart has on the Red tag close out,and just a touch of Marvel mystery oil,Weld her shut and Drive anyway you want,it just won't wear out or break!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!- - !!!!!!!!!!!!!!!!!!!!!!!!   Always research,get the facts,then look for double blind tests,and when you find them,see what Governmental agency recommends them and you just might have something there! Good luck Guys with additives, Mike C
#1244 of 1246 Long time coming by mpcross Sep 26, 2009 (1:02 pm)
Hey Guys, This is a long thread,since Sept. 01 Need a cake with a burning bottle of fuel additive on top!!!!!!!!!! MC
#1245 of 1246 Re: oil analysis [Mr_Shiftright] by kurtamaxxxguy Sep 27, 2009 (9:54 pm)
Replying to: Mr_Shiftright (Sep 26, 2009 7:12 am) '09 XT's have had random bearing failure anywhere from 1-2K to 13K miles. There was one recall early in the '09 model year, then various reports on Subaru forums.   Seemed prudent to check the oil at least once just to be sure. Replies to this message: Mr_Shiftright (Sep 28, 2009 7:37 am)
#1246 of 1246 Re: oil analysis [kurtamaxxxguy] by Mr_Shiftright HOST Sep 28, 2009 (7:37 am)
Replying to: kurtamaxxxguy (Sep 27, 2009 9:54 pm) arg...that sounds bad. I guess if it's random bearing failure then checking the oil won't much matter---usually bearing failure is an oil starvation issue--like a plugged oil galley. I suppose a new engine could burn up all its oil, but one would think the driver would notice those clouds of blue smoke. But maybe not.

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