Time to Cut Bait? (E70 4.8i Issues)

[Skyline]

Originally Posted by Pushrod

I was told that the valve stem seal issue is often exacerbated by the upper engine leaks that cause issues with the oiling to the valve stems, and that repairing those leaks prior to the valve stem seal issue showing up can often delay the onset of the valve stem seal issue. Seems a bit far fetched. Any thoughts?

Yes, far fetched. It is inevitable between 100-125k miles. I will say that if you never drive in stop and go traffic, or leave your car idling for an extended period, you may not notice the smoke clouds, and attribute the mild oil consumption as normal behavior. But when you start seeing the clouds of smoke, you'll know it's time.