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    Oil for 2008 Chev 5.3

    Hello all. I have narrowed my choices down to PP and Val. SP in the 5W30 grade. The price of amsoil is ridiculous and therefore I am trying to decide between the two listed above. The truck has just under 10 000km and has been running Valvoline conventional since the 1000km mark. Any thoughts...
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    0W30 GC Syntec GM Approved?

    Hello all. This is my first post so please be patient! I have an 08 Chev Silverado 5.3L. From what I have read, the 0w30 GC Syntec is NOT approved for use in my engine by GM. Is this correct? I am coming up to 10 000km and am thinking of switching over to synthetic. Thank you in advance for...
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