gitzit wrote:I was using Quicksilver Premium Plus and then saw that they only had Premium Plus Synthetic Blend, I sent email to Mercury and they responded that the synthetic blend is the same oil, and to go ahead and use the new blend. Just a name change for marketing. I printed email and put it on file.SMART move in my opinion . — That way you can give Mercury the bill if it blows up because of it . — Of course , it might take a little lawyerin to get it done . — Hoss