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Was not to aware of the Cummins debacle. What was the issue?

Forgot to say this is Pennzoil ultra Platinum.

6 qts. No top off.

Typing on my phone.

I agree. My OLM was going to give me approx 7,400-500 on this oil. I had it changed with 4% left in it.

Thank you for your input.

I agree. I will go by my OLM.

4%.

4%.

With the help of someone on this website, I managed to get the oil report posted.

With the help of someone else on this website, I managed to get the oil report posted. I drive mostly short trips with occasional long freeway trips.

Someone help me out and I was able to post the results thank you.

Ok let me see if I can figure out how to PM you.

I did that and selected the file I wanted to attach, tried several times but it's not working. Thanks anyway.

I think I posted the oil results just now. Not sure. Not technology educated on these things.

https://bobistheoilguy.com/forums/threads/2011-gmc-sierra-4-8-penzoil-ultra-platinum-5-w-30-7k-on-oil-170k-on-engine.377277/

I don't know how. I tried several times and nothing works. Not tech knowledgeable.

First time sample. Would like to extend OCI to 10k. Any suggestions or comments are welcome. Thank you.

Happy Winter Solstice.