This test show just how well synthetics Protects Against Wear
The Four-Ball Wear Test evaluates the protection provided by engine oil under conditions of pressure and sliding motion. The size of the scar left as a result of the test determines the amount of wear protection the lubricant provides. The smaller the wear scar, the better the protection. Tests show that AMSOIL 10W-30 Synthetic Motor Oil has better antiwear performance than all other oils tested. With AMSOIL Synthetic Motor Oil, engine life can be extended and major repairs are often reduced.
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Where is the test results for Royal Purple? You claim to outperform Royal Purple, please send me the comparison.
Regards,
Troy Murphy
NHRA Drag Racing Competitor
Sure we can heres one
Four-Ball Wear Test
and I will post more later
However a good read about Royal Purple and false claims