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Do Older Engines Need Oil With ZDDP Additives? – …

2017-8-25 · To add ZDDP or not add ZDDP at oil changes….that is the question. I assume this is a flat tappet engine, so perhaps engine life will be enhanced by the addition of ZDDP. On the other hand, ZDDP is apparently detrimental to catalytic converters. So, what’s the “least wrong” thing to do? Frankly, this old gas hog land yacht is only driven ...

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Do Older Engines Need Oil With ZDDP Additives? – …

2017-8-25 · To add ZDDP or not add ZDDP at oil changes….that is the question. I assume this is a flat tappet engine, so perhaps engine life will be enhanced by the addition of ZDDP. On the other hand, ZDDP is apparently detrimental to catalytic converters. So, what’s the “least wrong” thing to do? Frankly, this old gas hog land yacht is only driven ...

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WHAT OIL TO USE IN OUR ROTARY ENGINES – Derwin

SN means reduced anti-wear additive (ZDDP < .075ppm) and is replaced with anti-friction. Anti-wear and anti-friction are two very different things! For oil changes, use only API SJ or SL at a minimum. (see figure 1 API donut on the bottle). They contain at least .1500ppm (SJ) .1000 to .1100ppm ZDDP for (SL).

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Amazon.com: ZDDPPlus ZDDP Engine Oil Additive …

ZDDPlus is an oil supplement that contains very high concentrations of the well-known additive ZDDP (Zinc Dialkyl Dithiophosphate), which has been the primary EP (extreme pressure) ingredient in all quality motor oils for over 70 years.

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20w50 with zinc | Bob Is The Oil Guy

2020-6-11 · With the move to SP I've been looking for a 'higher' ZDDP oil, but not too much because my cars do have catalytic converters. 1984 VW GLI 1.8L gas and 1985 Audi 4000 2.2L gas. Both call for 20w50 in my climate. I also want full conventional (no syn blends). I've read some of the recent zinc posts here in addition to various reading.

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REV-X ZDDP Zinc Motor Oil Additive Lube

ZINC OIL ADDITIVE 2 oz. BOTTLE. ZINC (ZDDP) is widely known to be the prime ingredient to protect flat tappet cams and valve train components within engines using heavy increases in valve spring pressure, to control aggressive camshaft profiles.

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Film Thickness and Friction of ZDDP Tribofilms | …

2019-2-21 · Tribofilm formation by several zinc dialkyl- and diaryldithiophosphate (ZDDP) solutions in thin film rolling-sliding conditions has been investigated. A primary, a secondary alkyl and a mixed alkyl ZDDP show similar rates of film formation and generate films typically 150 nm thick. Another secondary ZDDP forms a tribofilm much faster and the film is partially lost after extended rubbing.

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Oil Additives-MoDTC,MoDTP,zddp additive

2020-12-23 · Feature of Oil Additive. Oil additives are excellent lubricant friction modifier, which can increase the lubricating oil film strength, reduce the friction coefficient, improve the anti-wear ability, and effectively reduce the friction and wear between moving parts. This series of products mainly include MoDTC, MoDTP, and ZDDP.

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Shop Our Products — Zddp Maxx & Turbo Maxx

ZDDP Maxx replenishes the much needed zinc and phosphorous in your oil to keep your non-roller lifters from early deterioration. Simply add one 2oz bottle of ZDDP Maxx to 4 or 5 quarts of your favorite oil, and for racing engines, add 1oz per quart Manufactured by ZDDP MAXX for ZDDP MAXX.

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ZDDP in engine oil | For C Bodies Only Classic Mopar …

2020-3-6 · At installed height, valve springs are 150-160 lbs pressure. A friend told me that this is a lot higher than stock 100-125 pounds. I spoke to Dave Hughes and he is pushing Joe Gibbs break in oil for ZDDP during initial break-in and Joe Gibbs Hot Rod oil for ZDDP for use with flat tappet cam and high pressure springs during daily driving.

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ZDDP in engine oil | Page 2 | For C Bodies Only Classic ...

2020-3-9 · Next oil change I went to the Motorcraft stuff, which is clearly labeled as NOT for anything w a catalytic converter. We haven't heard from that chatty lifter now in nearly 18 months. I use Wix 51515 filters, which allow me to change the oil without priming the oil pump, unlike the K & N filters I …

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ZDDP Oil Wear & Tear Additive & Cam Assembly …

ZDDPlus™ is an oil supplement that contains very high concentrations of the well-known additive ZDDP (Zinc Dialkyl Dithiophosphate), which has been the primary EP (extreme pressure) ingredient in all quality motor oils for over 70 years. Learn more why ZDDP is critical for your vehicle in our FAQs

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ZDDP Tribofilm: Durability and Chemistry | Tribology ...

One of the most effective anti-wear additives used in engine oil is Zinc Dialkyl Dithiophosphate (ZDDP). It is well known, that ZDDP generates a tribofilm on the surface of the material and protects them from wear. While being effective, it is also environmentally hazardous and the new regulations restrict the use of ZDDP in oils and therefore ...

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ZDDP Zinc oil additive m116 | Mercedes-Benz Forum

2014-8-8 · ZDDP Zinc oil additive m116. Jump to Latest Follow 1 - 17 of 17 Posts. O. onshorejoeaverage · Registered. 1970 280se 3.5 coupe Joined Aug 8, 2014 · 17 Posts . Discussion Starter • #1 ...

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ZDDP Zinc oil additive m116 | Mercedes-Benz Forum

2014-8-8 · ZDDP Zinc oil additive m116. Jump to Latest Follow 1 - 17 of 17 Posts. O. onshorejoeaverage · Registered. 1970 280se 3.5 coupe Joined Aug 8, 2014 · 17 Posts . Discussion Starter • #1 ...

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ZDDP,, what the heck is it? - The Roadstar Clinic

ZDDP is a zinc additive that used to be commonly found in motor oil. Old style engines with flat tappet cams need it so that the lobes do not mar during their usual duty cycles. Older engines require the stuff.

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ZDDP,, what the heck is it? - The Roadstar Clinic

ZDDP is a zinc additive that used to be commonly found in motor oil. Old style engines with flat tappet cams need it so that the lobes do not mar during their usual duty cycles. Older engines require the stuff.

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What is ZDDP - Benefits of Zinc in Oil - Speedway …

ZDDP was first used in mainstream motor oil in the 1940's, primarily for its anti-corrosion benefits. Zinc kept the lead-copper bearings of the day from oxidizing, but it was also found to significantly reduce wear. As a result, ZDDP levels in mainstream oil gradually increased up until the early 1990s, peaking around 1,200-1,400 parts-per-million.

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Oldtimer und Muscle Cars Motoröle mit ZDDP Additiv …

Um den ZDDP Inhalt zu steigern, gibt es spezielle ZDDP Additive von Rektol ZDDPower, ZDDPlus, ZDDP Maxx, Lucas Oil usw. sowie auch von verschieden Nockenwellen Herstellern wie Comp Cams, Edelbrock, Howards Cam usw. Bei vielen Öl Herstellern stehen aber in den Datenblätter vielfach keine Infos über den ZDDP Anteil, ausser dass das Öl einen ...

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Oldtimer und Muscle Cars Motoröle mit ZDDP Additiv …

Um den ZDDP Inhalt zu steigern, gibt es spezielle ZDDP Additive von Rektol ZDDPower, ZDDPlus, ZDDP Maxx, Lucas Oil usw. sowie auch von verschieden Nockenwellen Herstellern wie Comp Cams, Edelbrock, Howards Cam usw. Bei vielen Öl Herstellern stehen aber in den Datenblätter vielfach keine Infos über den ZDDP Anteil, ausser dass das Öl einen ...

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Zinc (ZDDP) and Motor Oil: How Zinc Affects Your …

2019-8-1 · This is a real ZDDP-containing oil supplement you can add to modern conventional oil in your engine to make that oil work like the zinc-rich oil of old you need. With this supplement, you can increase your engine life and confidently use the motor oils modern cars use. It’s a product we sell to owners of classic cars, muscle cars and older ...

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The Debate Over Reduced ZDDP and Wear Protection

As the debate over ZDDP levels and engine wear continues, many enthusiasts and engine builders will continue to seek out high-ZDDP specialty oils. AMSOIL Z-ROD® Synthetic Motor Oil ( ZRT , ZRF ) is the primary recommendation for older and modified engine designs, such as those with flat-tappet camshafts.

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The Debate Over Reduced ZDDP and Wear Protection

As the debate over ZDDP levels and engine wear continues, many enthusiasts and engine builders will continue to seek out high-ZDDP specialty oils. AMSOIL Z-ROD® Synthetic Motor Oil ( ZRT , ZRF ) is the primary recommendation for older and modified engine designs, such as those with flat-tappet camshafts.