ZDDP in oil
#1
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ZDDP in oil
I have yet to see a jug of oil that lists the ZDDP content on it. I buy at the retail auto parts stores. I have never once seen this listing on a label, no matter which store I go to. How do you know what the content is when you buy your oil (unless you special order a royal purple or amsoil or whatever). I am only talking about retail.
#2
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You need at least 1100ppm of ZZDP. I use Royal Purple so there is no issue.
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Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission? George Layton March 2014
928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."
Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission? George Layton March 2014
928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."
#3
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You will need to go online and find the MSDS, Material Safety Data Sheet. Every maker will publish them somewhere.
Here's an example, the Brad Penn 20W50 just because I had this one handy. The info is somewhat vague honestly, most makers consider the exact amounts proprietary.
http://www.amref.com/CMSFiles/File/b...0W-50_msds.pdf
Here's an example, the Brad Penn 20W50 just because I had this one handy. The info is somewhat vague honestly, most makers consider the exact amounts proprietary.
http://www.amref.com/CMSFiles/File/b...0W-50_msds.pdf
#5
Nordschleife Master
Bill Ball included this in a post on the subject.
http://www.mobiloil.com/USA-English/...duct_Guide.pdf
I use Mobil 1 15-50, and add a bit of Risoline Concentrated zinc empirically for a low volume additive.
http://www.mobiloil.com/USA-English/...duct_Guide.pdf
I use Mobil 1 15-50, and add a bit of Risoline Concentrated zinc empirically for a low volume additive.
#6
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See above. How can I get the info off the jug without doing a major research project each time I want to change the oil, and without buying it online?
#7
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You wont find it on retail bottle. Thats what were saying...and there is no need to research.
Mobile1 15W50 is widely available.
There are other options, and widely discussed here as well.
Mobile1 15W50 is widely available.
There are other options, and widely discussed here as well.
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The only problem with Mobile I is that they keep changing the level of ZZDP. Recently it dropped way below the level I find acceptable for our cars.
Better to pay a little extra and go with something like Royal Purple.
Better to pay a little extra and go with something like Royal Purple.
#12
Shell Rotella diesel oil in every flavor has enough zinc for flat tappet cams. I use it in everything I own from my 440 Charger, to lawnmowers, to my 944. Its cheap and easy to get.
#13
Race Car
Dan
'91 928GT S/C 475hp/460lb.ft
#14
They had stopped production for a while and the lesser weights did not have the adequate amount. Then they started to put the 15w-50 out again.
#15
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