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post #1 of 18 (permalink) Old Oct 9th, 14, 05:19 PM Thread Starter
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kevin
 
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zink additive

what do you use?
I know most of us use oil with zink in it. that being said those who don't and use an additive, what do you use?
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post #2 of 18 (permalink) Old Oct 9th, 14, 05:41 PM
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Tom
 
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Re: zink additive

I use Cam Shield.

'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #3 of 18 (permalink) Old Oct 9th, 14, 06:18 PM
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Mark
 
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Re: zink additive

You can use this.

Mark 70 Z28 M22 3.73 Z21 Z87 - Lunati 20120121 Roller Cam

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post #4 of 18 (permalink) Old Oct 9th, 14, 06:59 PM
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Big Dave
 
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Re: zink additive

I just added some lucas stuff...

Lucas Says: adding one 16oz bottle adds "5000 ppm" when added to 4.5 quarts.

part number 10063

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post #5 of 18 (permalink) Old Oct 13th, 14, 04:26 PM
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Steve
 
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Re: zink additive

I run Rotella T6 which is a "SM" rated full synthetic and contains more ZDDP than most gas engine oils. Here is a good discussion, on "Bob Is The Oil Guy" about using this oil in a gas engine.

http://www.bobistheoilguy.com/forums...gi#Post2245630

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post #6 of 18 (permalink) Old Oct 13th, 14, 04:45 PM
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Lynn
 
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Re: zink additive

Better check the specs on that Rotella. Formula has changed in the last few years.

Lynn
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post #7 of 18 (permalink) Old Oct 13th, 14, 05:14 PM
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Steve
 
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Re: zink additive

Quote:
Originally Posted by bilodeaulynn View Post
Better check the specs on that Rotella. Formula has changed in the last few years.
You are correct to a point, it does not have as much ZDDP as it used to but it still has 1200PPM as I recall. That is significantly more than newer oils contain.

Speed has never killed anyone. Suddenly becoming stationary, that's what gets you! Jeremy Clarkson


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post #8 of 18 (permalink) Old Oct 13th, 14, 05:36 PM
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Lynn
 
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Re: zink additive

You may be correct. I did not research the numbers. Just heard they had changed.

For guys running new oils in a vintage car: I would not trust any additive other than GM eos, which is now called an assembly lube (for political reasons). I run 1/2 bottle, added at the time of my oil change.

It has been around forever. Even eos has less zinc than it used to have.

If you don't want to run any additive, and want dino oil, Mobil Delvac is a good choice.

Lynn
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post #9 of 18 (permalink) Old Oct 14th, 14, 09:02 AM
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Scott
 
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Re: zink additive

Just a heads up - you cannot simply add zinc phosphate to motor oil.

Zinc Phosphate is not a lubricant (like oil), it is a plating process.

Detergents in motor oils may not be compatible with zinc phosphate, they can prevent or remove the plating that occurs on cam and lifter.
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post #10 of 18 (permalink) Old Oct 14th, 14, 09:49 AM
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Mike
 
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Re: zink additive

This article by Duke Williams cuts through a lot of the myths and misinformation around ZDDP levels in oil.

"Engine Oil for Vintage Corvettes"

If you google the above title with the quotes, you will get to the article. It's a very good read with lots of technical info about what to look for on oil labels.
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post #11 of 18 (permalink) Old Oct 14th, 14, 02:58 PM
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Steiner
 
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Re: zink additive

Lynn, fwiw I've had the Rotella T6 5W-40 synthetic and Delo 5W-40 synthetic tested within the last year. Both came back over 1200ppm zinc, I think the decrease was from 1400ppm. The few replies from Shell I've seen on other boards indicates 1200ppm is their formulation for all of their diesel/gas rated oils that do not have the "starburst" on them. Also, to be on the safe side my builder said minimum 1400ppm for their warranty if running a "performance or race" flat tappet and they also recommended it for aggressive rollers. Heck, it's good for everything in the engine so if there's no cats there's no reason not to run it....I ran the Delo and T6 in my LS1 and use it in my roller cam 400.





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Last edited by Steiner; Oct 14th, 14 at 03:15 PM.
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post #12 of 18 (permalink) Old Oct 14th, 14, 03:00 PM
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Lynn
 
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Re: zink additive

Good to know.

Lynn
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post #13 of 18 (permalink) Old Oct 14th, 14, 03:06 PM
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Turd Fergeson
 
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Re: zink additive

I use this stuff. 2100 ppm, and no worries about flattening out my 140 cam. The O'Reilly's by the house keeps it on the shelf.

http://lucasoil.com/products/hot-rod...w-30-motor-oil

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post #14 of 18 (permalink) Old Oct 14th, 14, 04:01 PM
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Mark
 
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Re: zink additive

Quote:
Originally Posted by ZZMike View Post
I use this stuff. 2100 ppm, and no worries about flattening out my 140 cam. The O'Reilly's by the house keeps it on the shelf.

http://lucasoil.com/products/hot-rod...w-30-motor-oil
You won't find many fans of Lucas motor oils. The oil analyses are pretty poor. I'd use Joe Gibbs before Lucas. The US Military even uses Joe Gibbs oil since it protects during dry starts and storage.

Mark 70 Z28 M22 3.73 Z21 Z87 - Lunati 20120121 Roller Cam

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post #15 of 18 (permalink) Old Oct 14th, 14, 04:22 PM
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Re: zink additive

Hmmm, interesting.

I only sent the first change to Blackstone for analysis. I would have to hunt down the breakdown I received back, but there was nothing that showed poorly. I was definitely pleased enough to continue using (and recommending) it.

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