Black dawg
Registered User
Anybody had lowered oil consumption after replacing stem seals? I did a couple 6.9s years ago to try to lower consumption with no change.
My 7.3 has been using some oil for along time now and the amount has risen sharply in the last couple years. This has been with very little use of the pickup. Has classic valve stem seal leak symptoms....smoke after idling for a long time, or smoking after going down hill for a few miles. Smells like oil.
Oil consumption was about a qt/1000....then qt/500. In the last thousand miles it has used 1 qt/100 miles.
Compression is low and has been for the 200k that I have used it. Blowby is LOTS....just like it was 10 years ago. Awhile back it started smoking anytime it had any load on it (oil smoke) and I found that the oil drain from the turbo was blocked (kinked hose). Fixing this got rid of the smoke under load, but NO change in oil consumption. It really should be rebuilt at this point, but don't want to put that kind of money/effort into a truck that sits as much as this one does.
My 7.3 has been using some oil for along time now and the amount has risen sharply in the last couple years. This has been with very little use of the pickup. Has classic valve stem seal leak symptoms....smoke after idling for a long time, or smoking after going down hill for a few miles. Smells like oil.
Oil consumption was about a qt/1000....then qt/500. In the last thousand miles it has used 1 qt/100 miles.
Compression is low and has been for the 200k that I have used it. Blowby is LOTS....just like it was 10 years ago. Awhile back it started smoking anytime it had any load on it (oil smoke) and I found that the oil drain from the turbo was blocked (kinked hose). Fixing this got rid of the smoke under load, but NO change in oil consumption. It really should be rebuilt at this point, but don't want to put that kind of money/effort into a truck that sits as much as this one does.
