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Thanks
Thanks for the info guys. I am better understanding this motor due to your research.
As for the 8.3 in this truck, it is a go. This truck will be sold but I believe that this motor upgrade will serve the end user well. Saving ~1000# and increasing the power by ~60% will wake this...
Cummins
I cannot find a hard answer on the military 8.3 cummins. Does the engine in the M939A2 trucks share the same P7100 IP as the civilian counterparts? Are there any significant differences between the civ and gov 8.3s besides 24v to 24v?
Justin Wehring
979 997 3112
Yuma
I will wrap up here in Yuma today so I travel back to TX in the morning so I get an extra day (Fri) on the truck. Can't wait.
I got the OK from Joe to keep the 8.3 but we did not discuss a price. :twisted: His comment was that it is hard to sell me something that I sold him because I...
8.3 cummins
There is nothing to do in the Yuma desert but work and think. This is a bad idea since I left at the tail end of a project.
I talked with a good friend that bought my M931A2 with an 8.3 Cummins. There is a chance he will not take the engine and tranny when he picks up the truck...
missed the deadline
Well tomorrow I depart with the M923E3 ESP to pick up an M113 and attend a machinegun shoot... sadly the bobbed M925 will not make the trip. I simply could not complete it in time without cutting corners. This next week I am out of the state with work so it will be 2 weeks...
ball
It was a 30K before the machine shop turned it down. The previous diameter was to the shiny area on the flange. I lost a lot of capacity when the od was reduced but I will get a lot of it back when it is welded.
I have sent the pics and dimensions to a stress engineer at work (NASA)...
Thanks Ted
Thank you Ted. I will spread the leafs apart when I clamp them to the axle. It looks like the bottom bolt for the bag should be centered on the frame.
Justin Wehring
979 997 3112
hitch
Picked the hitch up from the machine shop. They drilled and tapped the insert for a ball then turned the ball shank down and threaded it the full length of the shaft (to the flange) for strength. I will weld the ball into place tonight.
Justin Wehring
979 997 3112
eldgen
Eldgen,
Thank you for the post. I always appreciate the opportunity to learning from someone. I am using separate legs for each bag. Manual inflation and deflation via schrader valve at the rear crossmember. No auto level system.
I understand that I have a lot of range of motion...
whole again...
It is carrying its own weight tonight. I unhooked the crane and removed the lift. I am not sure what to make of the airbag "twist". The system is set up as freightliner designed it and the replacement bags are the same part number and dimensions as the old bags. If anyone has...
today
Well today went well. I went to Houston and picked up new airbags, new shocks and had the shaft reworked to +15" got home this afternoon and started working.
The air suspension is still a bit of a mystery as to how it will sit when I am done. I am trying to copy the Freightliner...
need help...
OK. I need some help from the crew.
1. I need a 5 ton front spring kit less the springs and hangars to connect the air ride springs to the axle. Ubolts, plates, pads.
2. Does anyone have a freightliner with this air kit on it? I need to know how far back the shock mount...
good day
Today was a good day. I started early and learned a lot about the air brake system and ABS system on the M939 series. I gutted the ABS system so if anyone wants it it is available.
I am officially on the down hill slide of this project. Tonight I pulled the tandems out from under...
moose
Moose,
Derrickl112 has one for sale with an ISO bed. These are 15' long (instead of M925 14') and have cargo box tiedowns integrated into the floor. ISO beds are nice because you get a longer bed but keep the std wheelbase.
Look in the classifieds for his ad. It is listed as a M923...
Thanks all
Thanks all. This build has been a lot of fun.
The terra tires are 42x25x20. These are not the common 48x25x20 so they clear the tandems with no drama. They said they had a hard time finding them.
I am 6' and 215 but I DID manage to fit in the sleeping bag under the plate on the...
Pics
OK I am back home and the kiddo is down for the night. Perhaps I should not have bragged so loudly that Mr. Murphy missed the opportunity to mess with me on the air suspension. ANY time I saved from not having to work around possible air pot interference was spent on the road. Shipping...
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