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Originally Posted by dinoniel
Thanks for sharing, I've been wondering if it is really necessary to cut oil change interval in half or not.
I also know some local 86's that have done 7-8,000mi on solely e85 on stock oil and told their analysis was fine.
I'm currently on E85 since my last oil change about 3k miles. Could you tell me where you sent the oil analysis? I'm thinking to get it done as well.
Also, is there any other factors that we are able to check to determine if this increased oil change interval is just a myth?
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I had my oil analysis done at Blackstone Laboratories. I've read that E85 can cause higher than normal levels of fuel dilution in the oil, but not sure how to check that other than to do the oil analysis.