I just got my 1st order of Schaeffers oil products from Mills in ARK. I got a case of 10w30 syn blend-7000, plus some other great looking products. Many thanks to Bob and Tim for hopefully adding many more miles to all 4 of my autos. My question is, what is the changing interval for this syn blend oil? I have always used Castrol dino 10w30 and changed it at 4000mi. Also, I liked that Schaeffer moly additive I used with my Castrol 20w50
. Last year I used that Lubro-Moly MOs2 stuff,it was thin and gritty.I could see how Schaeffers moly is better. Thanks again...
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