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Zinc oil additive #60882
05/21/08 11:13 AM 05/21/08 11:13 AM

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Anybody know of a zinc oil additive for a flat tappet cam. I would hate to drain all of the Quaker State Synthetic Oil I just put in.
Re: Zinc oil additive #60883
05/21/08 11:28 AM 05/21/08 11:28 AM
Joined: Nov 2003
Posts: 938
White House,TN
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stroked470 Offline
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White House,TN
I just used an additive from Lucas to break mine in. There are several on the market, Jegs has several listed on there site.
Re: Zinc oil additive [Re: stroked470] #60884
05/21/08 11:37 AM 05/21/08 11:37 AM
Joined: Aug 2004
Posts: 3,333
MARYLAND
69Cuda340S Offline
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All the cam manufacturers sell it too.
Re: Zinc oil additive #60885
05/21/08 06:43 PM 05/21/08 06:43 PM
Joined: Oct 2007
Posts: 236
Richmond , Virginia
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chagjr Offline
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Richmond , Virginia
ZDDPLUS

F.A.S.T/1969 SUPER BEE/383/AUTO/AVS 11.58 @ 117.98 1.71 60ft mph F.A.S.T Legal

1969 DART SWINGER/340(420CI)/6.52 @ 105.39 1.45 60ft (1/8 mile)10.22 @130.5 (1/4 mile)

Harry
Re: Zinc oil additive [Re: chagjr] #60886
05/24/08 03:39 PM 05/24/08 03:39 PM

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I use the comp cams stuff. They have it at my local Napa store.
Re: Zinc oil additive #60887
06/25/08 08:39 PM 06/25/08 08:39 PM

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Gm EOS is back out. New part number is: 88862586

http://www.gmpartsdirect.com/results.cfm?singlepart=1&partnumber=1052367
Re: Zinc oil additive #60888
06/25/08 08:42 PM 06/25/08 08:42 PM
Joined: Nov 2007
Posts: 21,819
Kirkland, Washington
Pacnorthcuda Offline
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Quote:

Gm EOS is back out.

http://www.gmpartsdirect.com/results.cfm?singlepart=1&partnumber=1052367



So anyone know if the chevy/pontiac etc parts departments are likely to have it on the shelf?
Re: Zinc oil additive [Re: Pacnorthcuda] #60889
06/25/08 08:44 PM 06/25/08 08:44 PM

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Probably but you'll pay a lot more, $12.17 on my link, $19.99 at Jegs so.............

Re: Zinc oil additive #60890
06/25/08 11:40 PM 06/25/08 11:40 PM
Joined: Aug 2003
Posts: 1,385
Ohio
rck850 Offline
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Ohio
I just paid $21 for EOS, never again will I buy it
Re: Zinc oil additive [Re: rck850] #60891
06/26/08 12:43 AM 06/26/08 12:43 AM

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Quote:

I just paid $21 for EOS, never again will I buy it



Because of the price? Care to elaborate?

Re: Zinc oil additive #60892
06/26/08 05:47 AM 06/26/08 05:47 AM
Joined: Jan 2003
Posts: 2,521
Richmond Va, KeislerTKO 60...
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i got 6 bottles of EOS from those guys a couple of months ago. Reasonable shipping.
Re: Zinc oil additive #60893
06/26/08 06:01 AM 06/26/08 06:01 AM
Joined: Apr 2008
Posts: 1,285
Pacific NW USA
CompSyn Offline
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Quote:

Anybody know of a zinc oil additive for a flat tappet cam. I would hate to drain all of the Quaker State Synthetic Oil I just put in.



I'd just like to point out that GM E.O.S is an engine assembly lube and not a motor oil additive as stated by GM.
Re: Zinc oil additive [Re: CompSyn] #60894
06/26/08 06:53 AM 06/26/08 06:53 AM
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383 Offline
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Quote:

Quote:

Anybody know of a zinc oil additive for a flat tappet cam. I would hate to drain all of the Quaker State Synthetic Oil I just put in.



I'd just like to point out that GM E.O.S is an engine assembly lube and not a motor oil additive as stated by GM.



did they change the formulation? because the bottles I had (old part number that they quit making a few years ago) said that you can use it as engine assembly lube, and as an oil additive for engine break in.

if it's ok to put in the oil on engine break in, why can't you put it in the oil at every oil change to save your cam from zinc-less modern oils?

**Photobucket sucks**
Re: Zinc oil additive [Re: 70Cuda383] #60895
06/26/08 07:18 AM 06/26/08 07:18 AM
Joined: Jan 2003
Posts: 1,756
London, England
Gavin Offline
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Quote:

Quote:

Quote:

Anybody know of a zinc oil additive for a flat tappet cam. I would hate to drain all of the Quaker State Synthetic Oil I just put in.



I'd just like to point out that GM E.O.S is an engine assembly lube and not a motor oil additive as stated by GM.



did they change the formulation? because the bottles I had (old part number that they quit making a few years ago) said that you can use it as engine assembly lube, and as an oil additive for engine break in.

if it's ok to put in the oil on engine break in, why can't you put it in the oil at every oil change to save your cam from zinc-less modern oils?



I think they've "rebranded" it - it can perform the same functions as before (break-in and/or oil additive) but they can't promote it as an additive any more for the same reasons they've taken ZDDP out of oil, namely damaging catalysts.

That's not to say whether they did or didn't change the formulation at all, I don't know about that, but I do think that's the reason for not marketing it as an additive.
Re: Zinc oil additive [Re: 70Cuda383] #60896
06/26/08 07:44 AM 06/26/08 07:44 AM
Joined: Apr 2008
Posts: 1,285
Pacific NW USA
CompSyn Offline
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CompSyn  Offline
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Joined: Apr 2008
Posts: 1,285
Pacific NW USA
Quote:

Quote:

Quote:

Anybody know of a zinc oil additive for a flat tappet cam. I would hate to drain all of the Quaker State Synthetic Oil I just put in.



I'd just like to point out that GM E.O.S is an engine assembly lube and not a motor oil additive as stated by GM.



did they change the formulation? because the bottles I had (old part number that they quit making a few years ago) said that you can use it as engine assembly lube, and as an oil additive for engine break in.

if it's ok to put in the oil on engine break in, why can't you put it in the oil at every oil change to save your cam from zinc-less modern oils?



Looks like GM has changed the recommendation on the E.O.S. I'm to understand it is currently marketed as engine assembly lube only. But I don't actually have a bottle in of it in hand to see what the current recommendation is.

For other thoughts on this, check out:

http://www.bobistheoilguy.com/forums/ubbthreads.php/ubb/showflat/Number/473053/site_id/1
Re: Zinc oil additive [Re: CompSyn] #60897
06/26/08 07:47 AM 06/26/08 07:47 AM
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383 Offline
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This could actually be a good thing...

same old formulation that we want, with tons of zinc, but if they change the "application" to assembly lube only and NOT oil additive, then they don't need to take the zinc out to meet current EPA requirements on modern cat equiped vehicles.

**Photobucket sucks**
Re: Zinc oil additive [Re: 70Cuda383] #60898
06/26/08 08:34 AM 06/26/08 08:34 AM
Joined: Apr 2008
Posts: 1,285
Pacific NW USA
CompSyn Offline
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Posts: 1,285
Pacific NW USA
Quote:

This could actually be a good thing...

same old formulation that we want, with tons of zinc, but if they change the "application" to assembly lube only and NOT oil additive, then they don't need to take the zinc out to meet current EPA requirements on modern cat equiped vehicles.



Yes, it may be a good thing?

I’d just be a little cautious when going against manufacturers recommendations. If you decide to chance it, you’re on your own.

And, there’s always the old hot rodders adage, “If a little is good, then more is better.” Or is it? If you’re using a motor oil with a good known level of protection additives already blended in, then why worry about additives?

I reason that burnishing a new cam a lifters together for the first time is one application, normal engine operation is another. That said, I’d use the Engine Oil Supplement for the intended break-in use, drain, then add a motor oil with good ZDDP levels, and sleep soundly at night.
Re: Zinc oil additive [Re: CompSyn] #60899
06/26/08 03:09 PM 06/26/08 03:09 PM
Joined: Oct 2004
Posts: 266
Illinois
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SteveA Offline
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Illinois
[quote then add a motor oil with good ZDDP levels, and sleep soundly at night.




Any recommendations ?

Steve
Re: Zinc oil additive [Re: SteveA] #60900
06/26/08 03:29 PM 06/26/08 03:29 PM
Joined: May 2003
Posts: 15,487
Florida
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scratchnfotraction Offline
I Live Here
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Joined: May 2003
Posts: 15,487
Florida
stp oil tretment and the red bottle stp

and the stp oil stablizer in a quart bottle with a pic of king richard on it...the racers edge!

I gots about 2 doz quart bottles at a big lots 2$ a bottle...think it is not made any more though

I run the napa fleet oil in a 15-40 thats still up there in the zddp
Re: Zinc oil additive [Re: SteveA] #60901
06/26/08 05:08 PM 06/26/08 05:08 PM
Joined: Apr 2008
Posts: 1,285
Pacific NW USA
CompSyn Offline
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Joined: Apr 2008
Posts: 1,285
Pacific NW USA
Quote:

[quote then add a motor oil with good ZDDP levels, and sleep soundly at night.




Any recommendations ?



Sure! The motor oils in the link are my recommendation:

http://www.competitionsynthetics.com/about/about.htm
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