Paccar

Discussion in 'Peterbilt Forum' started by Bret1984, Jun 17, 2022.

  1. Bret1984

    Bret1984 Light Load Member

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    Fort Worth, TX
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    Are all of these engines really that bad or did I just get the runt of the litter? This Pete 378 is by far THE most gutless truck I've ever ran. It's up there with the autoshift International I had at LinQ Transportation which was my main reason for quitting.
     
    rydr Thanks this.
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  3. Arctic_fox

    Arctic_fox Road Train Member

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    Nope their all that bad. Though if its yours have them pull it out of fuel saver to severe duty mode. It helps a lot. If you got an auto though your likely boned a lot of them come speced out for lower 1450 torque so the engines get nutered to avoid gernadeing the engines.
     
  4. Jammer'

    Jammer' Light Load Member

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    A good friend of mine had one in a T660. It sucked, so he had it deleted and reprogrammed. Ran great for about a year or so and then the block cracked. I'm told the paccar blocks are known for cracking. He finally pulled it out and dropped a C15 in its place. Alot of work but he's happy now.
     
    Bret1984 Thanks this.
  5. Long FLD

    Long FLD Road Train Member

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    The early ones sucked. The fuel system and EGR was updated in 2016. I’ve never driven the 455 one, but I’m on my second 510/1850 one and I’ve been perfectly happy with them.
     
    GYPSY65, Dave_in_AZ, JoeyJunk and 2 others Thank this.
  6. Bret1984

    Bret1984 Light Load Member

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    Mar 4, 2020
    Fort Worth, TX
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    Well, I complained about it and they took me out of the square nosed truck with the Paccar and put me in a curb sniffer with a Cummins X15. Million times better.
     
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  7. Bret1984

    Bret1984 Light Load Member

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    Mar 4, 2020
    Fort Worth, TX
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    It's DPF deleted with an upgraded turbo and still a turd. Anyhow, I went and told them it's unacceptable so they put me in a different truck.
     
  8. LTL Bull

    LTL Bull Heavy Load Member

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    2012 MX13 with 900,000. Turned up a little and deleted and I love it . New to us a few years ago but knew guy who had it prior and he had very few problems.
     
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  9. JoeyJunk

    JoeyJunk Road Train Member

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    Washington, PA
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    A mechanic of my buddy’s actually suggested the newer ones when my buddy was looking for trucks.
     
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  10. Dave_in_AZ

    Dave_in_AZ Road Train Member

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    What is a curb sniffer?

    Asking for a friend.
     
  11. Bret1984

    Bret1984 Light Load Member

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    Mar 4, 2020
    Fort Worth, TX
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    It was DPF deleted with an aftermarket turbo and still a turd.
     
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