Re: mixing oil brands?
You are right -- none of the manufacturers refine or even mix their own oil. They specify requirements and bid it out. They won't tell who makes it for them, but Citgo and Sunoco are commonly used.<br />Your local dealer typically pays as much for the shipping cost of the oil as the actual product cost.<br /><br />radsrh, yes, I am.<br /><br />Dave
You are right -- none of the manufacturers refine or even mix their own oil. They specify requirements and bid it out. They won't tell who makes it for them, but Citgo and Sunoco are commonly used.<br />Your local dealer typically pays as much for the shipping cost of the oil as the actual product cost.<br /><br />radsrh, yes, I am.<br /><br />Dave