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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

radiator hose temps

 
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Old 03-10-2013, 03:42 PM
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radiator hose temps

Well I am still trying to figure out this truck. The truck is a 2008 with 67k miles on it and it has been puking whenever you get on it. I figured it is probably head gaskets. The egr coolers are still on them so went ahead and ordered a sinster delete kit for that. Didn't figure that was causing my puking because it isn't blowing any white smoke out the tail pipe, but maybe they can fail somehow without burning the coolant but letting exuast in the coolant, I don't know. Maybe someone does. Anyway, drove about 60 miles today real easy like and got home and the lower radiator hose is like cold where as the upper is warm. Temps on the truck was a steady 192*. Is lower radiator hose supposed to be cold. Air temp was 35 out. Oet was 192 as well. What do you think??
 
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Old 03-11-2013, 12:44 AM
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Thermostats? Both hoses should be warm when they open. I don't know whick way the coolant flows in a 6.4 but thats the first thing I would check. There is a TSB about the thermostat and housing replacement
 
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Old 03-15-2013, 12:25 PM
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What tune / tuner were you running to blow the HG's ?
 
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Old 03-15-2013, 05:02 PM
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Well the gaskets were blown when I got it evidently. I am running the livewire with gearhead the tunes but never ran it hard at all. Just got the truck and got all the parts coming to fix the problem. Sinister egr delete with the high flow elbow,arp's and factory gaskets.
 
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Old 03-15-2013, 09:18 PM
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MAybe you should look into a wastegate system, theres no reason to have 60 lbs on tap again to wreck stuff.
 
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Old 03-15-2013, 09:46 PM
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60lbs?????
 
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Old 03-15-2013, 10:36 PM
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60 lbs of boost. The 6.4 turbocharger system can develop insane amounts of boost.
 
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Old 03-16-2013, 06:42 AM
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I'd set an alarm or defuel at 40 psi.
 
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Old 03-16-2013, 07:51 AM
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60lbs of boost, If I was running that much boost i would be looking into a wastegate system. I have never ran that much much boost. Thats why I asked what is 60lbs, took at as is I ran that much because you said "theres no reason to have 60 lbs on tap again to wreck stuff"
 
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Old 03-16-2013, 09:28 AM
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Originally Posted by senix View Post
I'd set an alarm or defuel at 40 psi.
I don't think the big spartan tunes would defuel for anything, they seem to disable a lot of warnings.

What these things need, is a wastegate or different turbo.

I'm suprised nobody has figured out a way to utilize th EGR valve as a wastegate.
 
 
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