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I am a trauma nurse... If I hurry I can probably beat him to the ER and get paid to make him better:-P **** that is win/win Before I became a nurse I was a truck driver..... How many 40 ton loads have you hauled down the road? I drove for 5 years and hauled approximately 504,000 tons per year...

At what point does a deuce with no air = unsafe...The air is a brake booster...the truck has hydraulic brakes even without air... also have a fully functioning hand brake. I can see the point of the 3 ounce nipple breaking off and breaking out the headlight of the car behind me. Most of these...

TM: You know you can fit a lot more in a single post rather than filling a thread with post? Good point on the moisture.... I don't like the other two locations you mentioned because of the distance from the tanks and the small diameter of the lines that supply those two locations. I could...

Dang...you are going to force my hand into yanking the water pump off of my truck and take a picture of the back, aren't you:-P Maybe I should just start dissembling the entire truck now... when you have a question I will have a file photo picture for you... I can very easily explain where we...

The first picture shows the drain off valves on the air tank just behind the spare tire. The fitting on the tank is 1/4" so to do this mod you need a 2 inch long 1/4 nipple, a 1/4 tee, a 6" long 1/4 nipple and the airchuck. Dropping the valve down the two inches puts the air chuck just below the...

This is a very simple modification you can do in just a few minutes with a pair of channel locks and a pair of vice grips. The entire install costs less than 10.00 and gives you usable air for airing up tires, running small impact wrenches, pneumatic grinders, air chisels etc. You can also use...

TM: Lets make this simple... Either all 600 watt block heaters plugged into any location on the system will heat to the same temp at the same rate or they will not! What is your hypothesis? We will state our hypothesis and let the test results indicate right from wrong. I was merely replying...

Where I come from the common practice is to put quick connects into the cooling system of machines like skidders that are used at locations that do not have power. When you pull up in the morning in your nice warm pickup you plug two hoses from the truck to the quick connect on the skidder and...

I see your point, but because we will be unable to get the exact same conditions on one truck for each heater I don't think testing it that way will be possible. We can do an oil pressure/start up test on each truck just to note the pressure and time, but like you said...different trucks will...

Thanks Bob, saves me research time. Derby: we don't care how well the trucks start or don't start. All we are measuring is the efficiency of each heater in each location to heat the head and manifold to the peak temp at the same ambient temperature. So we have to do all three at the same time...

Really cold weather is not going to matter as long as all the trucks are at the same location and starting at the same temp. The heaters will all have to be the same wattage. I know we can get the soft plug heater at 600 watt, we will have to see if we can get the 3/4 inch NPT heater in the...

I doubt that westfolk thought up putting it in the water pump... I think that the information was carried over from another application, but when it was, whoever carried it over did not take into account that the water pump was not connected directly to the head as you had thought it was. The...

Apology for what? If the thermo was occluding the loop as I had thought my theory would have been solid. I give KC kudos for calling it in a single post when we spent two days going back and forth...me thinking the thermo was completely closed and you thinking you had direct flow of water from...

I don't have one so I guess I don't need one here.... We have only lived in this part of the country for 4 years... we came from Vermont...much colder and much harder to start a diesel....

I Just simplified it to make it easier to understand... :-D These things work by thermosiphoning water through the engine.... if the thermostat was in fact closed they would be ineffective because you need a loop for the thermosiphon to work. I think the term thermosiphon threw some people off...

After two weeks of incredibly cold weather for this part of the country it is nice to be back into the 50s again. But now I wish we would get one more cold morning so I can time the start up of my truck without a heater. One of the reasons I think the heater in the water pump is less effective...

KC I will do it...it is 50 degrees here. I have been over the thermostat housing diagram and it just is not enough detail to tell. I am starting to think that you are correct about the way the thermo works. If that is the case than thermosiphon will occur with the heater in the water pump.... I...

TM.... If you pull the plug I am referring to on the oil cooler I think you will find that it is in the water coolant side.... it isn't going to have any impact on the oil. It will do what you thought your water pump with the hole in the back was supposed to be doing. You haven't addressed that...

There is a 3/4 inch drain plug on the oil cooler. I think it is a better location than the water pump. TM: The movement you describe as convection is thermosiphon. Convection on its own is just the movement of heat.... The cool water being pulled in that you describe is caused by the hot water...