need to do a oil pressure test on it with a tool that measures it, should be around 30psi to 60psi link below for tool
and will need the below adapter for mini head,
Oil Car Pressure Meter Test Tool Accessory Set Tester Gauge Diesel Petrol GB G1 | eBay
Find many great new & used options and get the best deals for Oil Car Pressure Meter Test Tool Accessory Set Tester Gauge Diesel Petrol GB G1 at the best online prices at eBay! Free delivery for many products!
1/4 NPT Female To M12x1.5 Male Reducer Oil Pressure Gauge Adapter Brass sump | eBay
Size: M12x1.5 Sump Thread- 1/4 NPT Female Sender. For use with pressure & temperature gauges. M12 x 1.5 SUMP THREAD ( MALE ) & 1/4 NPT SENDER THREAD ( FEMALE). Oil Temperature Sump Plug Adapter. It's supplied.