“STP” oil treatment in the blue bottle contained 378 PPM Phosphorus and 553 PPM Zinc. One 15oz bottle added to a six quart oil change boosts the ZDDP content to 27.6 Phosphorus and 40.4 PPM Zinc which falls short of the 1980’s vintage oil, depending of course on the ZDDP content of the basic six quarts.
Full Answer
Does STP Oil Treatment contain ZDDP?
Jun 15, 2020 · Rislone Engine Oil Supplement with Zinc Treatment not only contains the correct amount of ZDDP, but also the other additives important to protecting your engine. Do not use as a break in additive. TYPICAL TEST RESULTS INDICATE:GASOLINE ENGINES With typical SN rated oil at a 7% dosage rate expect levels to be raised to a total of: Zn Zinc 1700 - 1800 ppm P …
How much ZDDP is in STP zinc in 15oz?
Apr 20, 2012 · Most ZDDP additives ain't cheap, but STP is supposed to contain a fair amount of ZDDP and costs a lot less. STP is claimed to help reduce oil consumption too. Stocked up on Castrol and Havoline conventional 10W30 when it was less than $1 a quart and still have quite a bit left. When I change oil, would adding a blue bottle of STP to the 10W30 address both of my …
Can I use STP Oil with zinc?
STP Oil Treatment claims on its label that it ‘Contains ZDDP’, can you state how much ZDDP is in your product? STP Oil Treatment and STP 4 Cylinder Oil Treatment contains 1 to 1.5% of the ZDDP additive per bottle. For clarification, if STP Oil Treatment was to be added to 4 quarts of the stan-dard current grade SM engine oils,
Why does ZDP need to be dissolved in oil?
Jul 05, 2018 · The system takes 3 quarts of oil, and if I use an off the shelf oil, it should have about 800 ppm of zddp in it, I think. If I use off the shelf blue bottle STP oil treatment which has ZDDP. How many bottles will make the 1,200 PPM buffer? The MGB takes around 3.5 quarts or so with the filter and cooler full. The oil pan itself is 3 quarts.
How much zinc does STP Oil Treatment have in it?
I was told by a Oil Engineer some years ago that the STP ZINC PPM was around 1400. 1400 ppm is a nice safe number for flat tappet camshaft durability.Feb 11, 2019
Does STP oil contain zinc?
STP Oil Treatment fights friction to help protect against engine wear. This high-viscosity formula, complete with anti-wear agent ZDDP (Zinc Dialkyl Dithiophosphate), is specifically formulated to help fight metal-to-metal friction and helps reduce oil consumption.
What oil has the highest ZDDP?
Mobil 1™ FS 0W-40 oil already contains a higher level of ZDDP (1,000 ppm) that could benefit your flat tappet engine.
What is STP oil treatment made of?
zinc dithiophosphateSTP Oil Treatment contains zinc dithiophosphate as an anti-wear additive.
How much ZDDP do I need for a flat tappet cam?
There are two ways a person can ensure they are using oil that has sufficient amounts of antiwear additives, commonly listed as 1,200 ppm ZDDP for flat-tappet engines with stock valve springs and 1,400 ppm for engines with higher spring rates.Aug 7, 2010
Does Lucas Oil Treatment contain Zinc?
Addition of 16 oz. to 4.5 quarts motor oil will achieve approximately 5,000 ppm of Zinc. Lucas TB Zinc-Plus Engine Break-In Oil Additive is designed for all who fear the initial break-in period of any new motor, especially if they are running a flat tappet camshaft.
How much ZDDP is enough?
ZDDP is most effective if the concentration is between 0.18 and 0.2 % by weight. Tests have shown that concentrations above this amount, up to as much as several percent, have no effect except to prolong additive life.Nov 7, 2013
Can you have too much ZDDP in oil?
If you have too much ZDDP, you start to see corrosive wear and cause another problem. Adding an excess causes the oil to become acidic, and before you know, you're wearing cams, bearings and bushings because of too much ZDDP.Mar 22, 2019
Does Rotella have ZDDP?
When Rotella T6 was revised for the API specification (for use in spark ignition engines), its zinc levels were effectively reduced. Higher (content) zinc additives (ZDDP) are required for flat tappet engines and cartridge bearings, which in previous formulations Rotella T6 had desirable levels of zinc (ZDDP).
Did Studebaker own STP?
The STP® brand was purchased by the Studebaker-Packard Corporation.
What does STP stand for Studebaker?
Scientifically Treated PetroleumStudebaker Corporation. STP began life as Scientifically Treated Petroleum, then became Studebaker Tested Products when the Studebaker Corporation took over the company as part of its move away from car manufacturing in the middle 1960s, and now the famous acronym stands for Science/Technology/Performance.Sep 16, 2019
What are the ingredients in STP gas treatment?
Chemical Composition/IngredientsPetroleum distillates (JP5 Jet fuel)008008-20-680-100Additive(s) (unspecified)000000-73-01.0-5.01,2,4-Trimethylbenzene000095-63-60.5-1.5Naphthalene000091-20-30.5-1.5Ethylbenzene000100-41-4<0.21 more row•Mar 1, 2011
Ken Smith
Do not buy STP oil treatment for the purpose of Zinc or ZDDP additive. I made this mistake after reading the 15oz bottle stating it's first ingredient is Zinc.
grannyknot
I agree, I used to use zinc additives for my old engines until I started talking to this very knowledgeable oil guy at a car show, he wasn't trying to sell me anything, never even got his card, anyway he was explaining that the type of zinc that is used in aftermarket additives is the inexpensive stuff and isn't in a form that can really be used as a lubricant.
rossman
Yah, buyer beware! Lucas Engine Break-in Oil Additive - TB Zinc Plus is good stuff: 31,000 PPM Zinc
jhm
I've been doing a lot of research on this specific topic lately, and one thing that stands out in my mind is that Grumpyvette recommends ZDDPlus as a regular oil additive.
TimO
Check out this article on the Driven Racing Oil website re zink in oil.
What is Shell Rotella T?
Designed for the harsh environment within a diesel engine, Shell ROTELLA T has aptly earned the reputation as a high quality, maximum protection lubricant. With reformulation of gasoline engine oil a few years ago, many hobbyists with flat tappet camshaft engines have found salvation in commercial grade oils like ROTELLA T, which have typically maintained high levels of the desirable anti-wear additives. Current ZDDP levels are 1,200 ppm. Shell’s OEM Technical Service Manager, Stede Granger, was asked: You’re likely aware that ROTELLA T is used by many automotive hobbyists with flat tappet camshafts. Are there any negative effects when using ROTELLA T in gasoline engines?
What is the best oil for engine oil?
Industry experts have long considered Pennsylvania grade crude oil among the best in the world, and one of the most popular engine oils refined from it was Kendall GT-1. The American Refining Group now operates the Bradford, Pennsylvania based refinery. Brad Penn’s Penn Grade 1 (PG 1) is available as a partial synthetic or conventional engine oil, and in varying viscosities.
What is the pressure of a flat tappet cam?
According to Mark Ferner, from Quaker State Motor Oil Research and Development, “Even stock passenger cars can see pressure in excess of 200,000 psi. at the point of lifter and cam lobe contact.” To prevent excess wear, traditional motor oil included a The chart above is a good illustration of engine additive depletion generous dose of anti-wear additives, experienced during ‘Optimal’ engine operation, and not ‘Severe primarily zinc-dialkyl-dithio-phosphate Service’ operation as described above. ZDDP.
What is the purpose of anti wear additive?
anti-wear additive containing a high concentration of ZDDP that’s designed to protect the camshaft lobe and lifter against scuffing and wear during break in. When used moderately at each oil change, it has little effect on emissions equipment, and greatly enhances the long term life of the cam.
Is Crane Cams a flat tappet?
Crane Cams has been a flat tappet camshaft manufacturing leader since the early ‘50s, and though the company has ventured into various other valve train and ignition related components over the years, camshafts remain among its most popular products. Like any camshaft manufacturer, Crane Cams admits that today’s oil formulation is an area of concern.
Does STP thicken oil?
STP is peculiar, it thickens the oil but does not seem to have any adverse affect on start up, if anything starts are better with it. Doesn't make sense to me.
Does ZDDP cause corrosion?
Too much ZDDP will cause corrosion.I think ZDDP has been overly coveted by older car fans...todays oils have far less,and todays oils are the best ever.There are plenty of other additives that work better than ZDDP.And the newest oils have it.
