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The key factor you miss and leave off with comparison runs "solely on conventional oil" !!!
The key factor you miss and leave off with comparison runs "solely on conventional oil" !!!
Now lets do a similar scientific run with say Pennzoil synthetic or any of the other premium synthetics, how would Amzoil stack up?? :uhh:
As determined scientifically by my seat of the pants dyno in my 15' Cruze TD... Pennzoil Euro L runs better and lasts longer in the color test when changed at 5K mi intervals and compared with AMSOIL. And now for only half the street price of AMSOIL.:signs053:hmy::th_salute::grin: