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holley 390

  1. dual 1bbl vs single quad intake for a 250

    Drivetrain & Performance
    hey guys so I am considering putting a new offy intake on my 250 but I am debating between either dual single barrel's or I know a lot of people do a Holley 390. I am wondering what the pros and cons are for performance, mpg, reliability and anything else you can think of. my uncle who has been...