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  #1  
Old 10-22-2013, 04:09 PM
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6.4 cold weather

Hi Everyone,
I have a few questions I need some help with. I have an 08 f450 with emissions removed. When it is cold out it seems to run different. It is in the 30's here now and it seems sluggish and you can hear a pitch change in the motor around 1800 rpm. It almost sounds like a rattle. Not sure where it is coming from? Also what oil should I use in cold weateher?
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Old 10-22-2013, 07:19 PM
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Where is "here"? How cold does it get? 30s isnt cold so if its sluggish now it might get worse?

I live in a pretty cold place myself, I run 5w40 (shell t6) year round. Is it warmed up at least a bit when you notice it runs different?
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Old 10-22-2013, 11:47 PM
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What he said. 30f where Clayton is from people are still in shorts and t-shirts
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Old 10-23-2013, 06:15 AM
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Originally Posted by srjd View Post
What he said. 30f where Clayton is from people are still in shorts and t-shirts
Haha that's crazy. If it gets below zero here its really cold. What kind of temps do you guys see?
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Old 10-23-2013, 07:48 AM
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Im in wisconsin. Even when the truck warms up it is doing this. at 1500-1800 rpm i heaar this rattle almost like a gasser lifter noise. it goes away at low or high rpm. when it is making this noise it seems like I loose some power. when warm out side i do not hear it as much and is seems like there is more power. I dont know if it is injectors, turbo, fuel, or what. no codes
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Old 10-23-2013, 01:06 PM
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No clue what your issue is sorry man. Its not uncommon to see -40 in Alberta. At the temp F and C are the same
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Old 10-23-2013, 02:24 PM
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mine does it to someone said its injector raddle but mine runs fine when doing it
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Old 10-23-2013, 02:28 PM
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I haven't seen any issues up here in North Dakota where is can get to -75 out and the only thing that's happened to me was it gelled up on me when I for got to put my additives in when it was -56 out but that was fixed with a little heat.
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Old 10-23-2013, 03:32 PM
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If I now know of what you speak, which I think I do, I have noticed it in every powerstroke I have driven including my personal truck. No idea why or what it is, but one of those things I just associated with cold weather/cold soaked engine..
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