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Old 04-27-2010, 04:08 PM
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cavicatz24 cavicatz24 is offline
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Zinc substitute!

Hello!
I was perusing the forums and remember coming across some discussions about zinc for flat-tappet cams. Hyper Lube makes a zinc substitute that is supposed to do the same job as zinc. Costs about 14 bux a bottle and hasn't seemed to cause any harm so far...

Found it at O'reilley's.
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Old 04-27-2010, 04:39 PM
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For $14 + oil I'll stick to the high zinc Amsoil (AMO1G-EA) I've been running.


aa
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Old 04-27-2010, 04:43 PM
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Quote:
Originally Posted by Cecil14
For $14 + oil I'll stick to the high zinc Amsoil (AMO1G-EA) I've been running.


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Old 04-27-2010, 05:19 PM
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There are a few flat tappet friendly oils that end up being cheaper than buying regular oil plus additive. Valvoline VR-1 oil has a good zinc content, theres brad penn racing oil and joe gibbs hotrod oil.....have to find a local distributor for those though.

It is good to know that zinc additive can be found though.
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Old 04-27-2010, 05:26 PM
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Just figured I'd let y'all know. I'm not sure what oils have what kind of zinc content so I figured the additive was a sure thing. Aside from the few oils listed here (wish I knew where to find Amsoil around here) what others are good?

And just to refresh my memory, what exactly is a flat tappet design? Is it where a flat bottomed hydraulic lifter rides directly on the cam?
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Old 04-27-2010, 05:28 PM
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Quote:
Originally Posted by cavicatz24
Just figured I'd let y'all know. I'm not sure what oils have what kind of zinc content so I figured the additive was a sure thing. Aside from the few oils listed here (wish I knew where to find Amsoil around here) what others are good?

And just to refresh my memory, what exactly is a flat tappet design? Is it where a flat bottomed hydraulic lifter rides directly on the cam?

No shot at your find, for sure. Always good to know we have options. The Bulltear oil is designed to run in our engines as well and has had lots of good feedback.

As far as Amsoil just sign up to be a preferred customer...think it's $20/year? All the oil you can want is just an order form away. lol

Yes, a flat tappet cam is when there are no moving parts between the cam lobes and the lifters (ie: no rollers, etc.). I don't know of any modern engines that are still flat tappet...everything is either roller or overhead cam. Though my experience with modern stuff is rather limited.


aa
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Old 04-27-2010, 06:02 PM
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STP sells an additive (with ZDDP) WAY WAY cheaper than $14 it's in a blue bottle.
Available @ just about any parts store....

I'd also agree that it's better/cheaper to just use a quality oil in the first place.
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Old 04-27-2010, 06:02 PM
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i use rotella t from shell. works good. some old timers turned me on to that
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Old 04-27-2010, 06:18 PM
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I believe rotella has changed their oil lately too...check the bottle next time to be sure.


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Old 04-27-2010, 07:07 PM
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it has a slightly lower level of zinc. still by far 1 of the better of the oils out there
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  #11  
Old 04-27-2010, 07:11 PM
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Quote:
Originally Posted by babywag
STP sells an additive (with ZDDP) WAY WAY cheaper than $14 it's in a blue bottle.
Available @ just about any parts store....

I'd also agree that it's better/cheaper to just use a quality oil in the first place.

Be careful with the STP, I've heard it take 2 bottles to equal the Amsoil or GM EOS.

Where is everyone buying the Amsoil ZDDP?
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Old 04-27-2010, 07:51 PM
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Dello 15-40 along with probably any other of the major brand dsl specific motor oils.
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Old 04-27-2010, 08:08 PM
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Quote:
Originally Posted by 89GW360NP229Dana44
Be careful with the STP, I've heard it take 2 bottles to equal the Amsoil or GM EOS.

Where is everyone buying the Amsoil ZDDP?

Careful in what way? This isn't engine break-in...

I don't use any additives, just good quality oil, haven't had any issues with older engines.
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Old 04-27-2010, 08:47 PM
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Quote:
Originally Posted by 89GW360NP229Dana44
Be careful with the STP, I've heard it take 2 bottles to equal the Amsoil or GM EOS.

Where is everyone buying the Amsoil ZDDP?

They are using Amsoil oil. Amsoil doesn't sell a ZDDP additive.
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Old 04-28-2010, 05:57 AM
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This is the Amsoil I run in my 4.0's; http://www.amsoil.com/storefront/amo.aspx
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Old 04-28-2010, 06:35 AM
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I buy ZDDP from Eastwood...

http://search.eastwood.com/search?asug=zddp&w=zddp+plus+oil+additive&p=Q&ts=c ustom

It frequently goes on sale, plus, if you join their members Club ( I did, I buy a lot from them...) you get free shipping.

Rich
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Old 04-28-2010, 07:48 AM
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http://i88.photobucket.com/albums/k168/mxmikie/ZDDP/dsc_133.jpg
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Old 04-28-2010, 08:39 AM
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X2 - $2.29 bottle locally

I put a 2000 4.3 in a buddy's blazer and was surprised to see it was flat tappet - so what is a "newer" Engine???
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  #19  
Old 04-28-2010, 08:54 AM
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Quote:
Originally Posted by Billygoat
X2 - $2.29 bottle locally

I put a 2000 4.3 in a buddy's blazer and was surprised to see it was flat tappet - so what is a "newer" Engine???

The 4.3L (like the 4.0L) is a pretty old engine design, originating somewhere in the '80s. If I'm not mistaken the Atlas engines are DOHC now.


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Old 04-28-2010, 08:56 AM
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I'm using the Comp Cams break in additive from Summit. I just went ahead and bought 3 bottles. One for break in and two for the next consecutive oil changes. They recommend using it after break in, and since I'm running their cam and lifters it only makes sense. I'll probably be doing only 2 oil changes a year so the cost is negligible.
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