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Home » Amsoil News » Ask AMSOIL: What Happens if I Use the Wrong Weight (Viscosity) of Oil?

Ask AMSOIL: What Happens if I Use the Wrong Weight (Viscosity) of Oil?

Using a motor oil whose viscosity is too low or too high for your engine can cause problems. Learn more: https://goo.gl/qU2KJr

Ask AMSOIL: What Happens if I Use the Wrong Weight (Viscosity) of Oil?

Using a motor oil whose viscosity is too low or too high for your engine can invite a few problems, such as reduced fuel economy, increased chemical breakdown and increased wear. To understand why, you should first understand viscosity.