Eaton posi and royal purp. synthetic lube with additive ok?
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Eaton posi and royal purp. synthetic lube with additive ok?
I have done some searches on several boards and have seen different opinions on the use of synthetic oil in the rear end. I just had an eaton posi and and set of 3.73 gears installed in my 01 Sierra. The installer used royal purple syn oil with the posi additive. Should I change to dino oil when I change at 500 miles or is it ok to put in the same oil?
The company that I bought both from said to use synthetic. I have also read, on different forums, that two differnt people asked eaton employee's asked the same question and got a yes and a no.
Thanks for any input,
Larry
The company that I bought both from said to use synthetic. I have also read, on different forums, that two differnt people asked eaton employee's asked the same question and got a yes and a no.
Thanks for any input,
Larry