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I've got just under 3k on my LZ0 and it's hard to tell what it's doing because I changed the oil at 500, 1500, and getting ready to do it again. The next interval will span 2k miles before probably going to a max of 3500 -- but using the recommended 0w20. Some superstition, and some data, I don't want to do longer intervals for the real or perceived possibility of the oil losing viscosity with longer use, starting from only 20 weight oil. I use Mobil 1 ESPx2. In the last 1500 miles most of it has been higher speed, highway driving 70mph+, and only a little towing. I topped off the oil at about 2750 miles, adding about 1/8 quart to put the level back on full. IMO, nothing to worry about. There's still a possibility a defective thrust bearing could take out the whole engine before 10k or so. That's a lovely thought to ponder, but if it happens, I'll get the engine replaced and send the truck down the road and find something else. -
This might be the beginning of the end. My chips are on 6 months until prices are within reason of pre-war levels, maybe 8-10 because stockpiles need to be replenished for national security. Sad that we're two steps backwards from where we started.
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By Pro Street Jim · Posted
Much appreciated. I will look into that. Jim -
By marsh deacon · Posted
31000 miles. was not recalled. Did change oil to 0 W40 after 1st change. 5 oil changes and NO indication of any trouble. No noise, vibration, nothing. Dropped off at dealer yesterday with copies of all my oil changes. Waiting to see what happens. -
You appeared to be fixated on the idea that an engine that "uses" oil only uses a copious and highly noticeable amount between changes, otherwise it uses absolutely nothing. Your assumption is wrong yet you keep trying to prove it by...asking your brothers? Who's trying to keep up with their siblings now?! Trace amounts are still consumed during combustion and through other engineered designs like PCV... whether you like it, or think it's true, or not. Go ahead, keep doubling down, and proving to us all that you're incapable of having an intelligent discussion about engines on a truck forum. Hint: It's not your experience that's wrong, it's how you express it and what you believe it means. There's a difference.
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