Breakin Period?
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New User
Joined: Jun 2007
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Breakin Period?
Please God, let someone tell me there is a break-in period on the new 6.4 Diesel. I just bought a '08 F-450 King Ranch with the 4:88 rear ends. I only have 1000 miles on it, but it doesn't pull anything like my '06 GMC 3/4 ton. That GMC would pull circles around this. I pull a 40' flatbed gooseneck around and I am disgusted with how it pulled. (Powerwise, not the actual ride)
Does anyone know if after so many miles it gets better?
PS. The truck wins in the looks department hands down, but pulling power is more important in my situation.
Does anyone know if after so many miles it gets better?
PS. The truck wins in the looks department hands down, but pulling power is more important in my situation.
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Joined: Jun 2007
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Thank You.
Red Rage: For some reason, the F-450's with a manual transmission or a 4:88 rear axle are detuned to 325 HP and 600 lb. ft. of torque. The only reason I can think of is so you can't over-torque anything.
Red Rage: For some reason, the F-450's with a manual transmission or a 4:88 rear axle are detuned to 325 HP and 600 lb. ft. of torque. The only reason I can think of is so you can't over-torque anything.
Posting Guru
Joined: Feb 2006
Posts: 1,459
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From: Wyoming
Well arent these trucks actually detuned when new?? untill a certain time? I keep hearing all kinds of storys but dont know what the truth is. The other day my buddy was telling me his friend bought a new 08, and they told him the truck will actually program itself to the way he drives it....
Elder User
Joined: Nov 2004
Posts: 628
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From: Lafayette Louisiana
I guess until a few thousand miles..to prevent premature wear until everything gets seated in..or so I hear.
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Posting Guru
Joined: Feb 2006
Posts: 1,459
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From: Wyoming
Anyone know any specifics on this break in and the detuning? I cant believe people that are buying these trucks arent being told about it....
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