Boatcarpenter
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Deuce has been idling for about an hour in 25 degree weather with arctic grill cover closed and seems to top at 170 degrees. Seem about right?
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Deuce Idle Temp
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ajg6989
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Mine usually stays at 220 while on the road but this is Florida so much warmer
fredrader
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Thats about rite..160-180 is about all you'll get when it's cold out untill you get on a hard pull..
Boatcarpenter
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Thanks Fred. Am I correct in thinking these trucks have a 185 degree thermostat? Also, I don't have my heater installed yet, so I'm not sure about this, but would the heater be on the warm water side of things and been producing heat?
fredrader
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Yea The heat would be working just fine at that temp..At least untill you start dowm the road and the wind starts oozing in from all the bad seals in the door glass and windshield as well as the rear of the soft top and holes in the the firewall and shifter..It will keep the windshield defrosted and your feet warm though..
Boatcarpenter
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Good. I put a thermometer on my gun rack while it was running and it got to a balmy 62. Of course no wind, etc.
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I have checked my coolant temp under many conditions.
I use a thermocouple probe installed right by the standard temp sending unit and get accurate readings on a digital Fluke DVM.
At temps around freezing, you are lucky to get over 150F w/o radiator cover. With radiator cover closed you are right on the money, Boatcarpenter, about 170-175F at idle.
The t-stat will start to open at about 180 and be fully open at 195F.
It will rarily open at idle, even in the summer.
Highway driving (level road): About 180, the t-stat opens a little.
Highway driving (down hill): Temp may drop to 140 if the hill is long enough, say 5 miles on the interstate.
Highway driving (uphill): With a gross weight of about 24.000 lb and a 7% incline, the temp has topped 200F. Drops a little when shifting down to 3rd gear. Ambient about 75F.
Because of the wild fluctuations, I used the radiator cover in the summer too until last year when I custom made the current plywood radiator cover, which I leave on at all times. It helps a lot in keeping a more constant temp. Now I have the radiator winter cover on and fully closed at idle. Night time temps about 20F.
If your coolant temp hits 220F, then you have a problem. Check coolant. Check gauge. Check T-stat.
Remember that the coolant will lose its efficiency after two year or so and should be changed. If it's not clear, it need to be flushed out and replaced for sure.
Bjorn
I use a thermocouple probe installed right by the standard temp sending unit and get accurate readings on a digital Fluke DVM.
At temps around freezing, you are lucky to get over 150F w/o radiator cover. With radiator cover closed you are right on the money, Boatcarpenter, about 170-175F at idle.
The t-stat will start to open at about 180 and be fully open at 195F.
It will rarily open at idle, even in the summer.
Highway driving (level road): About 180, the t-stat opens a little.
Highway driving (down hill): Temp may drop to 140 if the hill is long enough, say 5 miles on the interstate.
Highway driving (uphill): With a gross weight of about 24.000 lb and a 7% incline, the temp has topped 200F. Drops a little when shifting down to 3rd gear. Ambient about 75F.
Because of the wild fluctuations, I used the radiator cover in the summer too until last year when I custom made the current plywood radiator cover, which I leave on at all times. It helps a lot in keeping a more constant temp. Now I have the radiator winter cover on and fully closed at idle. Night time temps about 20F.
If your coolant temp hits 220F, then you have a problem. Check coolant. Check gauge. Check T-stat.
Remember that the coolant will lose its efficiency after two year or so and should be changed. If it's not clear, it need to be flushed out and replaced for sure.
Bjorn
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Boatcarpenter
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I have hit 200F+ on long pulls and always figured that was about as high as I wanted to see it.
Haven't had a chance to really super check all cooling system hoses, petcocks etc so I figured that was a sefe temp so I wouldn't blow the weak link if there is one. Temp drops rapidly though as soon as I level off or go downhill. Just still trying to find out all the operating parameters(?) are for this rig and seem to be right where I should be.
Haven't had a chance to really super check all cooling system hoses, petcocks etc so I figured that was a sefe temp so I wouldn't blow the weak link if there is one. Temp drops rapidly though as soon as I level off or go downhill. Just still trying to find out all the operating parameters(?) are for this rig and seem to be right where I should be.