HMMWV M1123 Build Thread

Vapor Trail

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Kentucky
SO I got my M1123 in. I'm mechanically inclined but I haven't done much automotive work. My plan is to do something like the Predator ATVR-6 (internal cage, not exo). I'm going to Line-X Ultra the outside and inside, build a cage, new bumpers, new gauges, all new wiring, brakes, halfshafts, tires, and wheels. For the powerplant I think I'll get an aluminum 6.2 liter L92 or a L94 and a 6L80 transmission. Probably put lockers on it too.
 

Vapor Trail

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37
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Location
Kentucky
I’m not a fan of body lifts but I see why they’re used in these vehicles so often. I’m building one now but not just cheap spacers. I’m making the four corners from scratch 1.5” taller. Not just for bigger tires but when Govplanet picked it up it squashed the body where the forks were a little bit because the body sits lower than the frame. I have a big forklift and if I want to pick it up I don’t want to worry about board spacers. More pics as I move along3A4E7DE1-AD19-47AC-AA66-FA727B04002B.jpegDA968BBD-8C4F-4FD7-B14D-E490287E241B.jpeg
 

Vapor Trail

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Location
Kentucky
So I got the seat bases started. I’ll add extra bracing underneath and a sloped piece where all four match that goes over to the door sill. Later on I’ll cut speaker holes in them maybe. The rear seats have an opening on the front. I’ll put a removable door there for storage underneath

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Vapor Trail

Member
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37
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Location
Kentucky
So for the lift I put spacers in the middle but on the ends I built new body mounts which are much lighter but just as strong and they incorporate the holes for mounting the bumpers. I took off the existing ones and measured them and made my changes but I didn’t build them square in the shop. I built them in place on the machine so that the important surfaces would be straight and even. This made for ugly and misfitting joints because the frame rails are so cambered and castered out but now the hood mounting surfaces are perfect and the cracking fiberglass is no longer in a bind.
30836992-BE51-47BC-B725-D7536E5D4563.jpeg58F59F01-E186-4307-B3BF-A52429432237.jpegB1C89618-C197-494D-A6B2-969DF8F55B13.jpeg
 

Vapor Trail

Member
45
37
18
Location
Kentucky
Also, I realized the way it originally sat the rear top fender surface wasn’t parallel with the other straight surface which is the door sill area. I used the rear mounts to straighten that up so that gap between the two looks correct now

ABB4C214-BC72-46C7-9958-18EBDE24B52B.jpeg
 
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