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Engineering, 23.09.2020 04:01 oscarmendoza2107

What is the MAIN function of motor oil? Improve the sealing of piston rings
Clean the engine from sludge and varnish
Reduce friction and wear on moving parts
β€’ Neutralize acids
??

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What is the MAIN function of motor oil? Improve the sealing of piston rings
Clean the engine...
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