Anybody using Driven brand HR-2 oil in their slant?

I use it in my mildly built 340, it came highly recommended. And yes, its pricey, but oil is the life-blood of your motor, always use good stuff, even if its a different brand.
S'cuder said
That's absolutely right. For less than half the cost, get the lowest price synthetic 5W-30 or 10W-30 at Napa or Walmart or Costco or Amazon or wherever you shop. For a stock slanty, that Driven is overkill. For peace of mind, and to stay in the good graces of your engine builder, maybe run it for one oil change in case something goes wrong during or just after break-in.
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Driven makes a break-in oil as well :) But I agree, its probably overkill to run it in a stock slanty