3406b or c engine?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by old school 379, Sep 18, 2010.

  1. Sep 18, 2010 #1
    old school 379

    old school 379 Bobtail Member

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    My truck came with a c motor and I really liked it, 600hp to the rear wheels and 6 mpg. The problem is this week I broke a crank, long story short motor is junk. I need to put another motor in. I had a 359 with a B motor in it and it ran about as good as this one did but was almost a full mpg less. I am trying to decide what to put in this truck. I know you can get more hp out of a B than a C but can you get the mileage too? Can I put the c pump on a B engine and impove mileage? Maybe put a b/c combination together and get the best of both worlds?
     
    old school 379, Sep 18, 2010
    old school 379, Sep 18, 2010
    #1
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  3. Sep 19, 2010 #2
    Superhauler

    Superhauler TEACHER OF MEN

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    the b and c are the same except the c had wider bearings to eliminate the midlife bearing change of the b model. and im thinking the injection pumps in the pumphousing are a few mm larger. more hp out of a b than a c model? not if you change the cam timing on a c.
     
    Superhauler, Sep 19, 2010
    Superhauler, Sep 19, 2010
    #2
  4. Sep 19, 2010 #3
    JohnP3

    JohnP3 Road Train Member

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    A "C" has a different block, crank, the govenor and timming controls are electronic. Just a thought!
     
    JohnP3, Sep 19, 2010
    JohnP3, Sep 19, 2010
    #3
  5. Sep 19, 2010 #4
    Superhauler

    Superhauler TEACHER OF MEN

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    no no no the first c models were 100% mech. and yes the block is slightly diff on the bottom end for the bearings had one drove one got stupid and sold one.
     
    Superhauler, Sep 19, 2010
    Superhauler, Sep 19, 2010
    #4
  7. Sep 19, 2010 #5
    07-379Pete

    07-379Pete Crusty Commando-Pete

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    I thought the first C motors, the foot feed was fly by wire and the rest was mech.
     
    07-379Pete, Sep 19, 2010
    07-379Pete, Sep 19, 2010
    #5
  8. Sep 19, 2010 #6
    Superhauler

    Superhauler TEACHER OF MEN

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    mine was in a 93 pete steel linkage all the way to the pedal no wires on it at all.
     
    Superhauler, Sep 19, 2010
    Superhauler, Sep 19, 2010
    #6
  9. Sep 20, 2010 #7
    old school 379

    old school 379 Bobtail Member

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    This is a full mechanical fuel system. It is a 96. I was told the guy before me had extensive work done to the pump so maybe it was converted to full mechanical.
     
    old school 379, Sep 20, 2010
    old school 379, Sep 20, 2010
    #7
  10. Sep 20, 2010 #8
    kustom

    kustom Light Load Member

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    Cat offered the C-model in a mechanical and electronic platform. The electronic model is referred to as a PEEC.
     
    kustom, Sep 20, 2010
    kustom, Sep 20, 2010
    #8
  11. Sep 20, 2010 #9
    Superhauler

    Superhauler TEACHER OF MEN

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    thats what i couldnt remember PEEC WAS THE ELECTRONIC VERSION.
     
    Superhauler, Sep 20, 2010
    Superhauler, Sep 20, 2010
    #9
  12. Sep 20, 2010 #10
    lastgoodusername

    lastgoodusername Medium Load Member

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    give me a call at 336-622-1407. i have a c block and i come to pa. weekly. johnny
     
    lastgoodusername, Sep 20, 2010
    lastgoodusername, Sep 20, 2010
    #10
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