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I changed the power steering reservoir to one that mounts on the pump less fluid also two less hoses . To do this I had to change the air intake and move the filter housing rearward on the fender . Also reworked the cover that hides the fuel filters. I rased the radiator about 5/8 of a inch...

Up date I have driven the truck for about a year with a electric fan it is not enough to cool the engine with out a trailer and cool temperature out side it cames close .Over thes time I was checking for engine problems like heating or fuel and turbo . I bought a military mack water pump...

Yesterday I was able to drive on the highway to heat up this engine to see if there was any problems I could not find before it had some small leaks that have been fixed .I was watching water temprature the thermostat is a few inches above the top of the radiator I need to work on fixing this...

I think if someone has the original Mack engine in there truck they could use a lot of the exterior parts to repower with a 300 horse power Mack engine maybe even a 350 . The mack 350 is a lot of horse power . I don't know about the new Mack engines but the older ones the horse power is rated...

I looked at a lot of engines I really liked the Mack 285 or the 300 horse power engines . I was not sure they would fit there is a height problem the mack engines sit far to right to miss the third member on the axle the oil pan still needs to be modified . If some one wanted to there would be...

Put the fender on for the last time I hope. The heater is ready to be hooked up .I did get to drive It down the road about 8 miles this was the first time to see what my top speed was going to be at 2100 RPM it will run 38 MPH with the multifuel it would run about 45 MPH . I still have a oil...

Centering bell housing I removed the old dowel pins and set the new bell housing in place .I used a thin lair of silicone between them . The dial indicator is held to the crank and is in contact with the inside of the bell housing I would turn the crank and write down the readings at 12 o...

wrong reply to question

Mounted the oil filter on the power steering unit It's was the only place to put any thing that size under the hood .

Yes it and 3 more ldt engines I bought at a yard sale need to go .

The LSD is still here . I don't have any plans for it there are not a lot of people interested in military trucks in this area .

I drove m52a2 with the Mack 673 engine around the yard today . I thought I might have problems with the clutch and power steering .The bell housing disk and throw out bearing are military and the pressure plate and fly wheel are civilian . The power steering pump is from the LDS engine and it...

With the hood closed the air cleaner moved over .

I removed the oil pan and formed it to miss the front end and took a picture of the front motor mount . also put the right fender on and made the exhaust pipe and hooked up the power steering reservoir I would have liked to use the one that came with the truck there was not a good place to...

I started my Mack 673 E engine today for the first time. It sounded good fired up and idled smooth .I still have lot"s to do but it's nice to see your work worth while .

Pictures

I still need to cut the frame and turn the engine so it sits where it should and make a front engine mount . I have been working on the pluming . I can't use the power steering pump already on the engine it sits to close to the frame I will have to find a military pump or use the belt driven...

I set the Mack ENDT 673 in my truck today to see what I need to change . The frame needs to be trimmed I not sure how much to trim off may be a Mack owner could Please post some pictures ?

Pulled the LDSa1 out of the truck today I need to reroute the fuel line air line and replace the brake line on top of the third member .

I could use some pictures of a mack 673 in a truck I have never seen one .I know the top frame rail cut but I'm not sure how much is gone or how long the cut is . also any pictures of the front of the engine in the frame and how much space between the fan and the radiator ? thank you