Vintage Arco 10W-40 motor oil with graphite tested against Quaker State Advanced Durability 10W-40. Lubricity test, independent oil analysis, evaporative loss (heat tolerance), cold temperature performance, fuel efficiency using EFI generator, and modern oil and graphite blended and used in a small engine. Videography Equipment: Sony DSC-RX10 III Cyber-shot Digital Still Camera: Canon 70D Camera: Azden Microphone: Go Pro Bundle: ht
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