Web normal oil pressure for a 5.3 vortec engine should be between 40 psi (pounds per square inch) and 60 psi when the engine is at operating temperature. If it’s below that, you may have an issue with your oil pump or a low oil level. Web generally, the oil pressure for the chevy 5.3 vortec ranges from 25 to 65 psi. If your gauge reads below. Web oil pressure drops from 70psi to around 58 about 1 second in then picks up bounces a bit then back up to 70 od psi. Attached a log of a 9.6 and 9.4 run. Web oil pressure then appeared normal. Web compared to many other car engines, the 5.3l chevy possesses stable performance throughout the range of 20,000 to 30,000 miles. Web the chevy 5.3 vortec is not an outlier in terms of oil pressure. Web oil pump pick up oring is a well proven cure.
Web generally, oil pressure for a chevy 5.3 vortec ranges from 25 to 65 psi. If you think you have a oil pressure issue, first take out the oil. Web oil pressure then appeared normal. Web oil pump pick up oring is a well proven cure. Would like to know what. While idling, however, there is a slight drop in oil pressures, which. Web the oil pressure should range between 20 to 30 psi when chevy 5.3 is idle. The chevy 5.3 engine should range between 45 to 70 psi at driving speed, equivalent to. Web generally, the oil pressure for the chevy 5.3 vortec ranges from 25 to 65 psi. Web have read a lot on here and most everything is dealing with oil pressure sending units or gauge's screwed up or low oil pressure ect. Web we also did a little research and found that the active fuel management system can be a culprit in oil pressure issues specifically with oil consumption.