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#476990 - 12/01/04 11:58 AM GM EOS additive
rugerman1 Offline


Registered: 07/26/02
Posts: 1871
Loc: .
GM Engine Oil Supplement ,Item #:1052367

ANA Labs
code:
iron         5
chrome 1
lead 1
copper 0
tin 0
alum 1
nickel 1
silver 0
silicon 10
boron 2
sodium 978
mag 877
calcium 2583
barium 7
phos 6144
zinc 6290
moly 2
titanium 0
vanadium 1
potassium 4
fuel 0.00
vis@100C 36.3 cSt
water 0.05
solids 0.00
glycol pos(?)



[ December 02, 2004, 03:25 PM: Message edited by: rugerman1 ]

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#476991 - 12/01/04 03:34 PM Re: GM EOS additive
427Z06 Offline


Registered: 12/06/03
Posts: 7409
Loc: Austin, TX
Wow! That some serious quantities of additives there.

Look at that sodium level! This VOA is priceless to anyone trying this stuff and doing a UOA. Otherwise they'd think someone was pouring road salt into their engine. [Big Grin]

How much is this stuff nowadays?

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#476992 - 12/01/04 04:58 PM Re: GM EOS additive
427Z06 Offline


Registered: 12/06/03
Posts: 7409
Loc: Austin, TX

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#476993 - 12/01/04 05:40 PM Re: GM EOS additive
Shadohh Offline


Registered: 09/20/04
Posts: 68
Loc: Pottstown, PA
would like to have seem some moly.

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#476994 - 12/01/04 05:45 PM Re: GM EOS additive
novadude Offline


Registered: 01/16/03
Posts: 1352
Loc: mechanicsburg, PA
With all that zinc, it is no wonder this additive is recommended when breaking in a flat tappet cam!

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#476995 - 12/01/04 06:19 PM Re: GM EOS additive
ebaker Offline


Registered: 08/17/04
Posts: 681
Loc: TX
1 ounce/quart would add 190 ppm zinc. Is there any reason not to add a small amount of this at each oil change?

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#476996 - 12/01/04 06:28 PM Re: GM EOS additive
boxcartommie22 Offline


Registered: 01/03/03
Posts: 3026
Loc: moutain country
valvoline's synpower oil additive has all that plus has good amt. of moly and boron

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#476997 - 12/01/04 07:27 PM Re: GM EOS additive
Shadohh Offline


Registered: 09/20/04
Posts: 68
Loc: Pottstown, PA
quote:
Originally posted by boxcartommie22:
valvoline's synpower oil additive has all that plus has good amt. of moly and boron

Yep and Anitmony [Smile]

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#476998 - 12/02/04 08:34 AM Re: GM EOS additive
T-Keith Offline


Registered: 01/20/04
Posts: 4865
Loc: MN
quote:
Originally posted by ebaker:
1 ounce/quart would add 190 ppm zinc. Is there any reason not to add a small amount of this at each oil change?

I guess we know some of the addatives, but what about the base stock? A cheap or too thick base stock may not be desirable if your adding it to a good GrouP II, III, or IV oil. Does it have any VIIs?

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#476999 - 12/01/04 11:24 PM Re: GM EOS additive
rugerman1 Offline


Registered: 07/26/02
Posts: 1871
Loc: .
Added moly to the initial report,2ppm.I called ANA today and asked them to re-run the sample.They did and got a similar number.

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#477000 - 03/16/05 09:28 PM Re: GM EOS additive
fuel tanker man Offline


Registered: 08/04/04
Posts: 1341
Loc: wytheville, va
What's all the sodium in this stuff supposed to be for?

Anybody know? [Confused]

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#477001 - 03/16/05 09:39 PM Re: GM EOS additive
rugerman1 Offline


Registered: 07/26/02
Posts: 1871
Loc: .

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#477002 - 03/16/05 09:47 PM Re: GM EOS additive
TallPaul Offline


Registered: 10/22/03
Posts: 13030
Loc: By Detroit
The link provided by 427Z06 shows the product as labeled an "Assembly Lube." I would be concerned about using this stuff for regular oil additive unless the company says you can.

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#477003 - 03/17/05 05:17 AM Re: GM EOS additive
fuel tanker man Offline


Registered: 08/04/04
Posts: 1341
Loc: wytheville, va
Paul, that may be true--your caution flag is noted... [Smile]

I don't know how reliable the infomation is, and I can't recall now where I found it, but I read that GM changed the nomenclature of the product because it now contains too much ZDDP to meet the newer standards. So they can't recommend it for "general use" now.

E.O.S. stands for Engine Oil Supplement, and then they add the words "Assembly Lubricant" to that...

This product seems to contain the largest concentration of ZDDP of any I've looked at. Makes Valvoline SynPower look tame. [Smile]

I haven't made any firm decision to pour an ounce or two into my motorcycle oil just yet...

Dan

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#477004 - 03/17/05 05:21 AM Re: GM EOS additive
fuel tanker man Offline


Registered: 08/04/04
Posts: 1341
Loc: wytheville, va
By the way... this GM EOS stuff isn't hard to find. Two different GM dealers (Chevy and Pontiac) in my little town both had it. Full retail, [Frown] though, at $8.55 for a 16 ounce bottle.

Still, if one ounce per quart would boost ZDDP by 170 to 200 ppm it wouldn't be a bad deal--provided it didn't make my UOA's look like I'd been running Redline or something such... [Razz] [Big Grin]

Dan

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