Mike. AI think I can help.The oil sending unit is a common failure item on C5 Corvettes. Mike, first of all, you do not want to cut a hole in your firewall. There is a way you can access the oil ...

Chevy Corvette C5 - Oil Pressure Sending Unit. Readings Are Fundamental. HOT ROD Staff Writer Jan 01, 2013. See All 19 Photos. Readings such as this one are normal for an LS1 C5.