Can 5-W30 oil be used on a 95Riviera supercharger?

Yes, 5W-30 oil can be used in a 1995 Buick Riviera with a supercharged engine, as it meets the viscosity requirements for many automotive engines. However, it's essential to check the owner's manual or manufacturer's specifications for recommended oil types, as some supercharged engines may have specific oil requirements for optimal performance. Additionally, using high-quality synthetic oil can provide better protection and performance under high-stress conditions.