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PM or Email Mcinfantry. He build a M715 exactly as you described about 8 years ago. He has since sold it, done the same to a few other vehicles and is redoing one now. Mounting a 4Bt is easy. So is a 6Bt actually. The 6Bt just has a little too much length for the M715. 4Bt is not a...

The engine is a REO OA-331. Called the Gold Comet. Not much battery is needed to turn it over compared to a diesel. A matched set of something is best. If all you are trying to do is fire it up and move it. Then just any pair will work. The brakes are hydraulic drum at all 6 corners with air...

As written above. If you can get a SBC or BBC in there, a 6.2/6.5 will fit and bolt up the same way. As also mentioned above. Gearing is going to be a problem. I have a NV4500 in my M715 with the Michelin 11.00-16 tires. 5th gear 2000 rpm is 52 mph. Which just happens to be as fast as I...

They work off the pulse of the fuel in the injection line. They are right on. However, because they are digital. You can't follow progress as the rpms climb or fall. Digital tachs annoy me, especially in airplanes because you are always having to hunt for the desired rpm from moving too much...

Before you start throwing money at the front axle, consider this. Several surplus places have brand new never used complete front axles for less than $500. Depending on where you are, that might be a better deal than replacing all the parts on yours. Just something to think about.

Use the -34 to test each component of the alternator once you pull it apart. The TM walks you right through how to do it. If you put your leads on the battery the alternator you are testing charges, your voltage will be in the 12-15 range. Cuts down the mental math that way.

You have some wires hooked up wrong somewhere. Check out appendix F of the -20 and follow all the wires involved with starting and glowing to make sure they go to the proper place.

I was thinking about the locker thing too reading the earlier post this morning. You can sometimes get one wheel to turn, but you have to break it loose to spin. As in rock the tire front to back kind of hard and then it will go CLUNK and then let you spin one. If you didn't have to do that...

Normal carriage bolts will work on the sides. The front and rear fasten with normal nuts and bolts. Mine did not have a spacer of any kind between the frame and bed. Neither have any others I have looked at.

Open your master cylinder fill hatch. You can see the pto shaft then and tell if it is turning. Another simple diagnostic trick is to use a 3/4" wrench and remove the splined hub covers on the front hubs. Pull them both and see if the noise goes away. If it does, put one side on at a time...

Just leave it bare. That is how they came. Unless you are going to be doing parades, shows and such without any long runs or hard pulls. My OA331 manifold gets cherry red after a long hard pull. As in get out the hot dogs and roast them up to eat kind of hot. The one thing I would suggest...

How much do you want for the stock mount set up you don 't need anymore?

Think of it this way. The 6.2 was a ground up diesel engine from more than 30 years ago. It was made to fit where a small block gas engine would, bolt up to the same parts, get twice the mileage as a standard small block and about the same power. A 2 barrel 305 was the standard engine it was...

Welcome to the fun. You do realize the duece you are looking for will just be your first military vehicle, right? This hobby is very adictive.

Measure your tires. Ground to top of the tire. My stock 31 x10.50 tires were actaully 29 inches tall. My new BFG A/T tires which say 33 x 12.50 on them are actually 32 inches tall. That is a big difference in rpm at any speed. As pointed out, 33 tires will fit with little or no trimming on...

You can bend the fuse holder contacts out a little. That makes the fuses more secure in there.

Yes they will. At least I put brand new BFG AT 33 x 12.50 tires on my M1009 last month and have had no issues. Rides great on the road and does just about as good in the mud as my lockered XZL tired M715. Others have had issues with the tires rubbing the rear of the front passenger side...

I had mine on a Scout camp out over the weekend. Saturday morning my infrared thermometer said 18° on the ground. 15° on the steering wheel. The coldest I have been here in Texas in a long time. Half a second to maybe a full second of cranking after the WAIT light went out and it was...

Sorry to hear that. Good for you to find a buyer though. I like your new toy. Sounds good.

Looks good Tom. Will the Viper fit in the bed?