Can you switch to synethic oil at 180000 miles?

Yes, you can switch to synthetic oil at 180,000 miles, but it's essential to check your vehicle's condition first. Older engines may have accumulated deposits that could lead to leaks or other issues when switching. It's advisable to perform a thorough engine inspection and possibly a cleaning before making the switch. Always consult your vehicle's manual or a trusted mechanic for specific recommendations.