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Old 03-15-2011, 05:47 AM   eBay Motors  #1 (permalink)
 
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oil change intervals?

I've been told by the dealer that engine oil (and filter) need to be changed every 3,000 miles religiously. According to the oil life on the display, that is not the case. I have an '06 LBZ spinning an Allison, and I rarely get the chance to work the truck the way it's set up to be worked. Is it better to listen to the dealership on this, is it better to go by what the truck's computer says, or is there a different service interval to follow? I've been running Rotella, and I'm thinking about switching to Mobil Delvac 1300 at my next change (which may or may not be coming due shortly) Any help on this would be appreciated.

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Old 03-15-2011, 05:55 AM   eBay Motors  #2 (permalink)
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Take the oil + filter of your choice. Run the oil + filter as many miles as you feel comfortable. Then pull a sample of the oil and send it for analysis. Adjust your oil change intervals from there
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Old 03-15-2011, 09:22 PM   eBay Motors  #3 (permalink)
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I have a 06 LBZ and tow seldomly. I change my oil every 5,000 religiously and I never go by the dumb DIC
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Old 03-15-2011, 09:50 PM   eBay Motors  #4 (permalink)
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Stupid question here, where do I send the oil for analysis?
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Old 03-15-2011, 09:52 PM   eBay Motors  #5 (permalink)
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blackstone labs.


Run the oil you want and the filter you want. You can be cheap and run a fram filter and run rotella for 10k miles, or you can spend some money and run delo or whatever with a mobil 1 filter for 3000 miles. I just did an oil change yesterday with 600 miles on the oil
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Old 03-15-2011, 10:05 PM   eBay Motors  #6 (permalink)
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My truck doesnt get worked at all, just driven. I run a delco filter and rotella t for usually 6-8k miles. The change engine oil light never comes on, But I think it is set for 10k mile intervals from the factory. I change my fuel filter more then my oil, also run a delco fuel filter.
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Old 03-16-2011, 04:37 AM   eBay Motors  #7 (permalink)
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I think any of the lube shops or dealerships asking you back every 3k is old school and they only want you back that often to keep their business going. Truth is, most oils are holding dyno oils are holding up far longer than 3k. A member here ran Rotella T for 12k and did an analysis to see how it was holding up. It came back good for continued use. Synthetics hold up far longer than that with some recently talked about on here going over 30k miles on one oil change.

My point? You can run it longer, typically you are good between 5k - 10k miles on dyno. I hope this helps.

Take care,
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Old 03-16-2011, 05:17 AM   eBay Motors  #8 (permalink)
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Quote:
Originally Posted by Hondarider552 View Post
blackstone labs.


Run the oil you want and the filter you want. You can be cheap and run a fram filter and run rotella for 10k miles, or you can spend some money and run delo or whatever with a mobil 1 filter for 3000 miles. I just did an oil change yesterday with 600 miles on the oil
Did you mean 30,000 miles instead of 3000? if you didn't then spending that extra money doesn't make much sense
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Old 03-16-2011, 05:39 AM   eBay Motors  #9 (permalink)
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the LML goes anywhere between 4-6k between monthly oil changes depending on how many trips it makes to the dealer for other service, and the LBZ goes 7k or now probably 6 months. Running Delvac 1300 on both....
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Old 03-16-2011, 05:44 AM   eBay Motors  #10 (permalink)
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I'm on 11,000 on my Rotella Synthetic. Getting ready to change because I am a big girl and am worried about the quality due to the regens the truck still does and the fact that I didnt put the best of filters on it. Going with a mobile 1 filter this time
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