Quote:
Originally Posted by Jim Hawkins
This is what I use in the race car, service truck and the Duramax truck. A friend of mine works on Allison transmissions and says it is a extended interval oil, 200,000 miles. Works for me.
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That's pretty much in line with the information I have found. It might not be 'better' than anything else under normal conditions and regular maintenance, but it will not break down under extreme heat and/or for a longer period of time than other fluids.