strutaeng
Full Access Member
For sure try to find the leaks and fix them.
I wouldn't be too concerned about the oil pressure. I think mine idles at "20" on the cluster hot idle on my K3500.
When the 4.3 Vortec was dying on my 99 Silverado, at hot idle during the summer my gauges dipped below zero on the cluster and the "check gauges" light would came on. Truck had around 260k.
I hooked up a mechanical guage and revving up the engine actually still met spec, surprisingly. At idle I had 5 psi. I didn't have money to fix it because I was in the middle of a large home addition. I switched to the heaviest oil they sell. Pressure increased another 2-3 psi. I ran it like another 10k miles until I retired it. Engine never made any knocking or noises. I eventually swapped a 5.3/4L80e and truck still lives.
I wouldn't be too concerned about the oil pressure. I think mine idles at "20" on the cluster hot idle on my K3500.
When the 4.3 Vortec was dying on my 99 Silverado, at hot idle during the summer my gauges dipped below zero on the cluster and the "check gauges" light would came on. Truck had around 260k.
I hooked up a mechanical guage and revving up the engine actually still met spec, surprisingly. At idle I had 5 psi. I didn't have money to fix it because I was in the middle of a large home addition. I switched to the heaviest oil they sell. Pressure increased another 2-3 psi. I ran it like another 10k miles until I retired it. Engine never made any knocking or noises. I eventually swapped a 5.3/4L80e and truck still lives.
