Oil analysis

__

I've never sent oil from a H-D engine in for analysis, as you don't have to concern yourself with such things as anti-freeze in the oil & you can see what you need to see from the drained oil, spark plugs, etc. No sense trying to "re-invent the wheel" either - the H-D design has been around so long that what works, what doesn't & why has been firmly established - including with synthetic oils.

The only thing different I tried that worked in a street / road bike was while running Red Line synthetic, change the filter @ the normal interval (around 3000 miles), add enough new oil to replace what came out with the filter change, then next time change both oil & filter. You might get away with changing filter only twice then both oil & filter the 3rd time, but I haven't gone that far.

Oil doesn't "wear out", but the "additive package" in it sure does - i.e.,, when the detergents have done all they can do, you have to change, even though the oil is still lubricating & cooling. How far can you go before the oil is contaminated enough to replace? (Due to moisture, "blow-by", etc. in it) That depends on how, when & where you ride, what condition the engine is in, etc. - there is no "one size fits all" answer to that question.

better off spending that money on fresh oil. sounds like overkill. you may be needing some sort of therapy