Quote:
Originally Posted by tjts1
So what?
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Good answer, a sign of a truly analytical mind.
As I have been an SAE member for most of my career, I usually researched and gleaned my data from SAE technical papers and testing results. Reading the bobistheoilguy pages, where he has a vested interest in showing other oils to be inferior to an oil which he sells, and uses test methods like a small high-speed electric motor on straight-cut gears to indicate a lubricant's unsuitability for an internal-combustion engine, ... or running an air filter in his pickup-truck and cutting into it to compare colors photographed on his kitchen stovetop to indicate filter effectiveness/efficiency, ...
You believe whatever "testing" and results you wish, I'd rather believe those from independent labs run by Chemists, Engineers, and Scientists than "Bob".
BTW, unless it has changed, SAE offers all papers and books to non-SAE members (at slightly higher non-member prices) on their website. The "Bosch handbook" / Automotive Handbook is an excellent reference for many automotive and non-automotive subjects, I highly recommend it.