Should I Run Straight-Weight or Multi-Weight Oil in my Muscle Car?
Straight-weight oil can offer some benefit with viscosity retention, but a good multi-weight oil delivers better start-up protection.
!– [Analytics ID: ] : Not displayed due to domain –>Skip to main content
Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.Learn More
Sign up for bi-weekly updates.