Ipd endurance kit in 7fb Paging wore out…

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Bfarms92, Mar 25, 2026.

  1. Bfarms92

    Bfarms92 Bobtail Member

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    Mar 25, 2026
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    I have a 7fb in a farm truck here, I put the ipd 14.5 Steel piston kit in it a few years ago. Currently running 3421 injectors honed 50 over. At the time I was told to run 3421s. But the constant hase I can’t get rid of is telling me no lol. Black smoke is one thing. But at cruising speed it’s a white ish hase. Enough to see it in the mirrors. Truck runs okay. 44 ish pounds of boost. 78/1.45 borg turbo. Timing set at 26 deg 1200 rpm and 36 at 2100 by my meter. I’m no pro on what the timing should be at for the most hp. Not worried about anything else. It’s just a play toy
     
    Last edited: Mar 26, 2026
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