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Writer's pictureHIGHGRADE Lubricants

About High-Zinc Oil: AMSOIL Z-ROD

AMSOIL Muscle Car

This specially crafted formula, a high-performance classic car oil, combines synthetic base oils and high-quality additives to provide exceptional protection and performance. With its unique anti-wear additives, this high zinc motor oil safeguards crucial engine components from damage, ensuring long-lasting durability, and is a perfect oil for old cars. Engineered to withstand extreme temperatures and stress, AMSOIL Z ROD Motor Oil, available in 10W30, 10W40 and 20W50, delivers reliable lubrication even under intense conditions. With its remarkable film strength and anti-foam properties, this classic car motor oil guarantees excellent protection during demanding operations. For enthusiasts and collectors, AMSOIL Z ROD is the ultimate choice to keep their vehicles running at peak performance. Z ROD oil is a truly synthetic high zinc motor oil engineered for vintage, classic and hot-rod cars and trucks! 

Further, this advanced synthetic motor oil offers an ideal choice for enthusiasts and collectors. It delivers superior wear protection, increased engine cleanliness, and excellent thermal stability. Our most popular is the AMSOIL Z ROD 10W30. The specially formulated zinc/phosphorus anti-wear additives provide outstanding protection for camshafts, lifters, and other high-stress components, reducing the risk of engine damage and ensuring longevity. Its robust detergent and dispersant additives effectively combat deposits and sludge formation, keeping the engine clean and maintaining optimal performance. This synthetic engine oil is engineered to withstand commonly experienced environments in older vintage and classic car engines, providing reliable lubrication under extreme conditions. With its exceptional film strength and anti-foam properties, this product provides excellent protection during high-speed and high-load operations. For vehicle owners seeking top-tier lubrication, Z-ROD oil offers unmatched performance and protection, ensuring their prized machines run at their best! It is considered by many as the best oil for classic cars!

Since Z-ROD Motor Oil is a top-tier lubricant designed as a classic car motor oil, it is available in three applicable viscosities: 10W30, 10W40, and 20W50. These viscosity options provide versatility and allow vehicle owners to choose the ideal oil for their specific engine requirements. Become an AMSOIL Preferred Customer and get up to 25% off on your order!


Z-ROD Motor Oil is a high-performance lubricant designed specifically for classic and high-performance vehicles. With its unique formulation and advanced technology, it offers a range of benefits that help keep engines running smoothly and efficiently.

One of the primary advantages of this synthetic oil is its exceptional wear protection. Classic and high-performance engines often operate under extreme conditions, placing significant stress on critical components like camshafts, lifters, and bearings. The specially formulated zinc/phosphorus anti-wear additives in AMSOIL Z-ROD create a strong protective barrier that minimizes metal-to-metal contact, reducing the risk of premature wear and extending the engine's lifespan. This is particularly crucial in engines with flat-tappet camshafts, as they rely heavily on the anti-wear properties of the motor oil to prevent damage.

In addition to wear protection, this synthetic engine oil offers excellent thermal stability. Classic and high-performance engines generate higher operating temperatures, which can lead to oil breakdown and viscosity loss in conventional oils. Z-ROD oil is engineered to withstand these elevated temperatures and maintain its protective properties, ensuring consistent lubrication and reducing the chances of engine damage.

Another key benefit is its superior detergent and dispersant additives. These additives effectively combat deposits and sludge formation, keeping the engine clean and promoting optimal performance. Deposits and sludge can impede oil circulation, reduce efficiency, and increase the risk of engine damage. By preventing these issues, this oil helps maintain engine cleanliness, prolongs the life of vital components, and preserves overall engine performance.

This AMSOIL with zinc product is available in multiple viscosities, including 10W30, 10W40, and 20W50. This range allows vehicle owners to choose the appropriate viscosity for their specific engine requirements. Thinner viscosities like 10W30 are suitable for colder temperatures, while thicker viscosities like 20W50 provide enhanced protection in hotter climates. By selecting the right viscosity, engine owners can ensure optimal lubrication and protection in varying operating conditions.

Furthermore, AMSOIL Z-ROD demonstrates excellent film strength and anti-foam properties. These qualities are vital for engines that undergo high-speed and high-load operations. The robust film strength ensures a continuous and reliable lubricating film between moving parts, reducing friction and wear. The anti-foam properties prevent the formation of air bubbles in the oil, which can compromise lubrication and lead to engine damage. These features make Z-ROD Motor Oil a suitable choice for classic and high-performance vehicles that demand exceptional performance under demanding conditions.


In summary, this product offers a host of benefits tailored for classic and high-performance engines. Its exceptional wear protection, thermal stability, and detergent capabilities help safeguard vital engine components, reduce deposits, and promote engine cleanliness. With its range of viscosities, this high zinc oil ensures optimal lubrication in varying temperature conditions. Its superior film strength and anti-foam properties provide reliable protection during high-speed and high-load operations. By using AMSOIL Z-ROD Oil, vehicle owners can enjoy enhanced performance, extended engine life, and the peace of mind that comes with using a top-tier lubricant in their prized machines. Order this product today and DIY or take it to an oil change near me location, like a Take 5 oil change facility, a Jiffy Lube near me lube shop, a Valvoline instant facility, another oil change services installer or your own motor mechanic. 


*If there is any discrepancy in the information in this article and the AMSOIL Corporate website, the latter will be taken as correct.

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