

Greg Alberalla
The Kentucky-based diesel mechanic documents all his projects on his popular YouTube channel.
Team AMSOIL
Greg Alberalla quit his day job running a performance parts retailer to become a YouTube content creator. The Kentucky-based mechanic is a Cummins* enthusiast, owning every generation of diesel-powered RAM truck.
Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.
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