C-15 MXS valvetrain issues

Discussion in 'Trucks [ Eighteen Wheelers ]' started by pullingtrucker, Dec 23, 2008.

  1. ManiacMechanic

    ManiacMechanic Bobtail Member

    1
    1
    May 30, 2010
    0
    It is just a bad design period! I recently tore into a motor that the #1 jake head cracked in 3 places coming out in pieces. It also took out 2 of the jake head bolts. I have been into these overheads many times. I have been setting my valve acts alittle looser (around .027"). I have been doing this to all of our trucks that have'nt had any problems yet, and they seem to be holding up. I hope this helps!
     
    Baack Thanks this.
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