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.
Paccar
Discussion in 'Peterbilt Forum' started by Bret1984, Jun 17, 2022.
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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.
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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.
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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. -
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.RockinChair and Jammer' Thank this.
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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.
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A mechanic of my buddy’s actually suggested the newer ones when my buddy was looking for trucks.
Bret1984 Thanks this. -
What is a curb sniffer?
Asking for a friend.Goodysnap, Diesel Dave, Bret1984 and 2 others Thank this. -
It was DPF deleted with an aftermarket turbo and still a turd.
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