Any differential between oil brands? I know that consumption was what drove you to trying the different oils, looking for one that ran longer before exiting out the well worn engine.
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I know you don't like dino oil. I don't like it either. Seems a dumb bet not to have the hi-temp proof advantage of a synthetic oil.
But .... next hot season you could run a test on dino RotT 15w40 as you actually replace a quart so fast it would never even get broken in good before it was replaced by the next quart.
You know you have no issues with overheating (you've been tracking your bike's temps for over a year now).
I have me a burning curiosity itch as to the delta in performance between a known good dino and same brand synthetic (keeping the exact same brand on both) to see
if syn really does perform better, or is it all bullshit hype that gets us into the $11 a quart oils?
Curious minds want to know