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  1. Brewster
    Thread

    Switch to synthetic oil?

    Hi everyone, newbie on this forum. I have a 2010 R/T 5.7 that has always had regular 20W50 dinosaur oil in it. Have always changed the oil around...
    Thread by: Brewster, Dec 14, 2015, 6 replies, in forum: Dodge Challenger General Maintenance
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