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Make sure the bead area and oring seat are free of rust and I paint them. New o- rings are always a good idea. The slime can't hurt.

Where did you read this test results?

I wasn't aware of the testing. Very good to know. I will have to try the 2 cycle oil. Thank you

Yes, this would apply to all M939 series trucks with a Cummins 250. The new low sulfur road diesel has less lubricating properties and tends to get stale quick. I put two gallons in a full tank. Your engine with run quieter and stronger! Only problem is that ATF is Red. So I just use it to douch...

It would be a great spot to stow the tow bar. I know some members do something similar. Not sure the straps would be strong enough.

I have been working on military trucks full time for a few years now. I have found some of the same issues with the fuel system on M923 and M923A1. Customers will bring me a truck that has hard starting or rough idle or weak throttle response. First thing I do is change the fuel filter. while...

I went though the same thing and everyone danced around the question and got the TM bomb a few time. The long and short is just use regular non-synthetic 80-90 gear oil. Synthetic is not worth it for the miles we will run with these trucks. PM me if you have more specific question.

here is the second run. We had over 15 trucks out on the trails and over 50 people went along for the ride. http://youtu.be/26CLeqxabig or MVMVC - Trail Ride - 2013 Weare Rally

here is a trail ride I set up at the Weare NH rally this year. http://youtu.be/qAHNTFcsP-c or MVMVC Military 5-ton Trail Ride

I spot primed the the bare metal areas with a high nap hot dog roller. the roller helped add texture. finish paint will be done once the truck is assembled on the chassis.

Since my last post I have neutralized any rust on the cab, hardtop, and hood. Took out any dents, sanded out any peeling paint, sanded them all, spot primed. The cab has been undercoated inside and out.

Made my brackets.

Sorry, guys I have been busy as a one legged man in an ass kicking contest! I have done a ton of work on this project and it is almost done. I will post pictures up soon .

:deadhorse:

Thanks for the pictures. I am building a gun truck and would love to grab that stuff!

What are you looking to do. The early hillbilly armor or the later Frankenstein cab? I am building gun truck but it won 't be a perfect reproduction.

Don't change now. If you haven't killed yourself yet, your probably safe :)

aua there is always one.

I am a diesel mechanic and work on gravel trucks, Trucks that run local here in MA. And long haul trucks. We always clean the treads and apply antiseize to all the studs. The old timer that works has been doing it for 40 yrs with out issue. We pull one of his old trucks out if the weeds that had...

just an update. 1. Hagerty insurance will only insure 1984 and earlier M939 series trucks now, they require the truck be stored inside, NO off-road use and no camping in it! if you want to insure it as an antique. 2. the Ma. RMV is going to try to get you to attach an assigned VIN plate to your...