Quote:
Originally Posted by radioranger
... but just wondering how it might effect the o2 which of course would hurt mileage if it goes out of range
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From what I have read, on the Bob Is The Oil Guy, and thread from 2008 on the LS1 site, the important aspect is that the fact it is an ashless
TC-W3 is what makes it OK in modern cars
Along with the 640:1 mix ratio, which means very insignificant amount of heavy metals that can contaminate an O2 or CAT.
NOTE: The ASH type, (TC or similiar), 2 stroke oil is NOT what you want to use.
The KEY is "
TC-W 3" oil. By any manufacturer, it is ashless, with lubricants and solvents to do the job that the other forums have researched and tested to be correct and useful.
But, I am just repeating what I have read so far, as its job as an Upper Cylinder Lubricant, and to help (hopefully) negate any ethanol related issues, even if E10 is OK and not seeming to have issues with your car.