3406 c

Discussion in 'Trucks [ Eighteen Wheelers ]' started by bean farms, Apr 17, 2012.

  1. Apr 17, 2012 #1
    bean farms

    bean farms Light Load Member

    118
    3
    Feb 25, 2011
    red boiling springs tn
    0
    hey all i have a 379 pete with a 3406c cat with a 15 over and 3.55 gears i was wondering what all kind of benfits i would get out of advancing the pump timming and how does it need to be done and how much i need to go with it ive turned the fuel up three rounds
     
    bean farms, Apr 17, 2012
    bean farms, Apr 17, 2012
    #1
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  3. Apr 18, 2012 #2
    Semi Crazy

    Semi Crazy Road Train Member

    3,033
    2,047
    May 13, 2011
    Middle Tennessee
    0
    The Cs should be set to 17.5° or 18° BTDC instead of the stock federal government setting.

    I've had problems with the 3/8" bolts stretching/breaking when torquing tight. CAT claims I think 40 or 45lb/ft but in any other literature I find a grade 8 oiled bolt should only be torqued to 35 lb/ft which is what I do mine at with no ill effects. I use CAT bolts.
     
    Semi Crazy, Apr 18, 2012
    Semi Crazy, Apr 18, 2012
    #2
  4. Apr 20, 2012 #3
    bean farms

    bean farms Light Load Member

    118
    3
    Feb 25, 2011
    red boiling springs tn
    0
    What did they set at stock and what beenfits will i gain goin to 17.5 or 18* thanks for the info
     
    bean farms, Apr 20, 2012
    bean farms, Apr 20, 2012
    #3
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