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OG Images.
https://oil-glup.ru/threads/razyskivajutsja-osobo-opasnye-recidivisty-vnimanie-mogut-byt-sintezirovany.342/page-2#post-18564
The October 1978 table contrasts typical synthetic and conventional oil specifications across multiple brands. Rows list product names, manufacturers, base stocks, ratings, physical properties, compatibility, and recommended change intervals. Columns track pour points, flash points, viscosity metrics, and costs per quart to compare performance.