AMSOIL Break-In Oil SAE 30

10.87 inc VAT

Designed for High-Performance and Racing Engines
AMSOIL Break-In Oil SAE 30 Formulated without friction modifiers to allow for quick and efficient piston ring seating in new and rebuilt high-performance and racing engines. It contains zinc and phosphorus anti-wear additives to protect cam lobes, lifters and rockers during the critical break-in period when wear rates are highest.
946ml

67 in stock

Description

AMSOIL Break-In Oil SAE 30 is an SAE 30 viscosity grade oil formulated without friction modifiers to allow for quick and efficient piston ring seating in new and rebuilt high-performance and racing engines. It contains zinc and phosphorus anti-wear additives to protect cam lobes, lifters, and rockers during the critical break-in period when wear rates are highest, while its increased film strength protects rod and main bearings from damage. AMSOIL Break-In Oil SAE 30 is designed to increase compression, horsepower, and torque for maximum engine performance.

Quickly Seats Rings
The primary goal during engine break-in is to seat the rings against the cylinder wall. Properly seated rings increase compression, resulting in maximum horsepower; they reduce oil consumption and prevent hot combustion gases from entering the crankcase. To achieve this, however, the AMSOIL Break-In Oil SAE 30 must allow the correct level of “controlled wear” to occur between the cylinder wall/ring interface while maintaining wear protection on other critical engine parts. Insufficient break-in leaves behind peaks on the cylinder wall that prevent the rings from seating. The deeper valleys, meanwhile, allow excess AMSOIL Break-In Oil SAE 30 to collect and burn during combustion, increasing AMSOIL Break-In Oil SAE 30 consumption. Too much wear results in cylinder glazing due to peaks “rolling over” into the valleys and preventing AMSOIL Break-In Oil SAE 30 from collecting and adequately lubricating the cylinder wall.

AMSOIL Break-In Oil SAE 30 ’s friction-modifier-free formula allows the sharp peaks on newly honed cylinder walls (fig. 1) to partially flatten. The result produces more surface area for rings to seat against, allowing the formation of a dynamic seal that increases compression, horsepower, and torque (fig. 2).

Protects Critical Parts from Wear
New flat-tappet camshafts and lifters are not seasoned or broken in and must be heat-cycled to achieve proper hardness. During the break-in period, these components are susceptible to accelerated wear because they are splash-lubricated, unlike other areas of the engine that are pressure lubricated. AMSOIL Break-In Oil SAE 30 contains high levels of zinc and phosphorus (ZDDP) additives designed to provide the anti-wear protection required during this critical period.

Increased Film Strength
High-performance and racing engines often use aftermarket parts designed to increase torque and horsepower. The added stress can rupture the oil film responsible for preventing harmful metal-to-metal contact on rod and main bearings. The base oils in AMSOIL Break-In Oil SAE 30 provide increased film strength to protect bearings from wear.

APPLICATIONS
AMSOIL Break-In Oil SAE 30 is designed to effectively break in high-performance and racing engines requiring SAE 30 oil, helping maximize compression, horsepower, and torque.

RECOMMENDATIONS
The engine builder’s or manufacturer’s break-in recommendations should be followed if available. The break-in period should not exceed 1,000 miles. When the engine is new, the exhaust ports will have a large area of oil residue (Fig. 3). As the rings begin to seat, less oil is passed and the AMSOIL Break-In Oil SAE 30 residue area begins to shrink (Fig. 4). When the rings are fully seated and have formed a tight seal against the cylinder walls, no oil residue will be evident. Other common methods to determine if rings have seated include performing a leak-down test or horsepower measurements over time. Break-in duration will vary between engines. Afterward, drain and fill the engine with an AMSOIL high-performance synthetic oil that meets builder or manufacturer specifications.

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