Testing proves AMSOIL Signature Series 5W-30 Synthetic Motor Oil provides more complete protection against damaging deposits than its competitors. The push toward smaller, fuel-efficient, yet powerful engines has driven … [Read more...]
Independent AMSOIL Jobber Harrisburg Pennsylvania
AMSOIL PI Gasoline Additive only $5
Promotion: AMSOIL P.i. for $5 Effective Dates: Feb. 25-March 10, 2026 Promo Code: PI226 AMSOIL P.i. is a potent gasoline performance improver with concentrated detergent that aggressively cleans stubborn, power-robbing deposits from injectors, valves and the combustion chamber. Effective in port and direct injection systems. Bottle compatible with capless fuel systems. Cleans entire fuel system in one tank of gasoline. […]
AMSOIL Diesel Motor Oils
AMSOIL PI Gasoline Additive only $5
Promotion: AMSOIL P.i. for $5 Effective Dates: Feb. 25-March 10, 2026 Promo Code: PI226 AMSOIL P.i. is a potent gasoline performance improver with concentrated detergent that aggressively cleans stubborn, power-robbing deposits from injectors, valves and the combustion chamber. Effective in port and direct injection systems. Bottle compatible with capless fuel systems. Cleans entire fuel system in one tank of gasoline. […]
How Gasoline and Diesel Lubricants Work
A lubricant’s primary functions are friction and wear reduction, but lubricants also play other important roles in an engine. To better understand specifically how lubricants work, it’s important to understand why they’re used, what kinds of lubrication exist and what specific applications require lubrication. The Seven Functions of Lubrication A lubricant must satisfy seven functions. […]