Synthetic Oils

AMSOIL Signature Series Oils Help Maintain Your Engine’s Horsepower

Engine compression, ENGINE'S HORSEPOWER, reduce compression, Synthetic Oils /

Engine power and efficiency erodes over time when piston rings stop sealing due to wear and deposits. For maximum power from your engine, the combustion chamber must seal completely during the compression and combustion strokes. Piston deposits and wear cause loss of compression and loss of horsepower. Amsoil prevents piston deposits 93% more than required […]

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AMSOIL V-Twin Exels In Torture Test

motor oil, Synthetic Oils, V-Twin engine /

HARLEY DAVIDSONS can shut down if they get to hot during a slow moving parade or rally traffic. If V-Twin engine gets to hot the bike’s electronic temperature system will shut down the engine. AMSOIL tested a V-TWIN for 1000 miles under low speed, low airflow, and stop and go conditions. There were no engine

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