AMSOIL Z-ROD Synthetic High Performance Motor Oil
10w30 and 20w50
For Classic Cars, Hot Rods and High Performance Engines
High Zinc and Phosphorus ZDDP Motor Oil
Prevents
Flat Tappet Camshaft Wear
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AMSOIL Z-ROD Synthetic Motor Oil is specially engineered for classic cars and high performance engines. It features a high-zinc ZDDP formulation to prevent wear on flat-tappet camshafts and other critical engine components, along with a proprietary blend of rust and corrosion inhibitors for added protection during long-term storage. AMSOIL Z-ROD Synthetic Motor Oil is designed to perform on the street and protect during storage. Available in SAE 10w30 and 20w50 viscosity grades.
- High ZDDP motor oil — contains high levels of zinc and phosphorus
- Prevents flat tappet camshaft wear
- Offers rust and corrosion protection during long-term storage
- Recommended for classic cars, hot rods and other high performance engines
- Product Code/Price
- Product Details
- Shipping Info/Return Policy
| AMSOIL Z-Rod 10w30 Synthetic High Performance Motor Oil | |
|---|---|
Product Code |
Pkg./Size |
| ZRTQT-EA | Quart Bottle |
| ZRTQT-CA | Quart Bottles (case of 12) |
| Wholesale prices available for retail and commercial accounts. Please call 1-877-331-4642 or e-mail info@superoilcentral.com for more information. |
|
| AMSOIL Z-Rod 20w50 Synthetic High Performance Motor Oil | |
|---|---|
Product Code |
Pkg./Size |
| ZRFQT-EA | Quart Bottle |
| ZRFQT-CA | Quart Bottles (case of 12) |
| Wholesale prices available for retail and commercial accounts. Please call 1-877-331-4642 or e-mail info@superoilcentral.com for more information. |
|
Prevents Flat Tappet Camshaft Wear
The lifters and cam lobes on flat-tappet camshafts common to classic and high performance vehicles slide rapidly against one another, producing high friction and heat. The friction between the two components can eventually wear down the cam and affect valve operation, ultimately resulting in lost engine power and reduced efficiency. In addition, these areas are splash-lubricated rather than pressure lubricated like other areas of the engine, which adds extra strain on anti-wear additives like the zinc and phosphorus in zinc dialkyldithiophosphate (ZDDP).
AMSOIL Z-ROD Synthetic Motor Oil is formulated with high levels of ZDDP to protect flat-tappet cams, lifters, rockers and other areas susceptible to wear. Its high-zinc, high-phosphorus formulation provides the extra wear protection these critical splash-lubricated components require. The Flat Tappet and Camshaft Lobe Lubrication Bulletin (54 KB pdf) lists which AMSOIL synthetic motor oils contain high levels of zinc and phosphorus and their amounts.
Provides Long-Term Protection from Rust and Corrosion
AMSOIL Z-ROD Synthetic Motor Oil is formulated with a unique blend of rust and corrosion inhibitors to ensure maximum protection during long-term storage. To prove its effectiveness, AMSOIL submitted Z-ROD Synthetic Motor Oil to the Standard Test Method for Rust Protection in the Humidity Cabinet (ASTM D-1748). This test evaluates the rust-preventative properties of oil under high-humidity conditions, similar to those faced by a covered hot rod in a damp garage. The metal coupon treated with AMSOIL Z-ROD Synthetic Motor Oil showed no signs of oxidation after 192 hours, while the coupon treated with a leading competitor's product failed the test after 24 hours.
Applications
AMSOIL Z-ROD Synthetic Motor Oil is recommended for older or modified engines requiring either 10w30 or 20w50 motor oil. Z-ROD Synthetic Motor Oil meets API SL and earlier specifications, allowing for increased levels of anti-wear additives. ZDDP levels in Z-ROD Synthetic Motor Oil exceed the limits of API SM and newer specifications.
Service Life
Because engines in classic cars, hot rods and other high performance vehicles are generally modified, a universal oil drain interval recommendation for these applications cannot be given. Responsibility for determining the drain interval duration rests with the owner. As a general service guideline, the maximum drain interval for Z-ROD Synthetic Motor Oil should not exceed 5,000 miles or one year, whichever comes first. In heavily modified engines (e.g. forced induction, nitrous) the maximum drain interval should not exceed 3,000 miles or one year, whichever comes first.
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