I'd like to share the results of recent oil analysis with folks that might be interested. This is my first oil change after switching to E85. Almost all of the 1500 miles are street tuning, with a few canyon runs and autocrosses thrown in. The heavy use accounts for the higher than normal iron content. Although the fuel type is listed as gasoline, E85 was the fuel listed on the report sheet and they checked for it during testing. Although the oil did smell of ethanol they found no more than trace amounts, certainly not enough to affect the viscosity of the lubricant.

Mods include: intake, cams, exhaust, and fuel system support for E85. Boost is in the 25-28 psi range.

I think things look pretty good for a car with 500+ autocross runs on it and dozens of track hours.

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Thank you for the info! This is the kind of valuable info that we need, thanks again...

 

I did analysis every 1k miles for the first 8k miles of e85 then every 2-3k miles since then. I will dig them up and re-post them in here.

 

Very good information, how much does it cost to get an oil analysis?

 

blackstone labs is 19.95. they send you the kits for free.

 

so just to clarify this was mobil 1 standard yes? not extended performance? either way thats great!!!

 

I usually never use the extended performance. I attached my first 5 reports on e85. I have more, but they are spread out over the next year. I didnt drive the car much as i had a company car. There are analysis of mobil 1, Motul, and Redline.