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I would say a NV4500 would be a better swap than a SM465. Even a newer one with the 5.61:1 first gear would have more torque multiplication than the TH400s 2.48:1 first coupled through the 2:1 torque converter (estimate).

24 volt 27MT starters are so easy to overhaul for under $20 that conversion seems like a waste of money. Sure, you only need one battery but that one battery works harder so it likely won't last as long.

Since you can only plan on 2-3 days of good weather, the BEST bet would be to rent a storage unit for a month. Paint it, then store it at the facility (measure first to make sure it will fit). Should be under $100. It will be too small for painting and most don't have power so you still have...

Run a stock air duct on it. Something you can get from LMC. The duct will admit cooler air from outside, cool air is denser. You have to remove the knockout on the core support, it is pre-cut.

Yes, the frequency is roughly proportional to engine speed. It should sound only a bit more than high idle. You won't hear much of a load unless you put on a 15 amp or greater 3-phase load. Or load each 15 amp 120 volt duplex outlet to near its maximum. The governor gets its speed data from...

Depends on load on the generator. IIRC, somewhere between 1200 and 1500 RPM. Remember, the torque converter will provide some torque multiplication depending on load. Also slip. The cogged belt drive and the PTO output both have some speed increases. The generator is a 4 pole so it must...

NEAT!!! That is going to save time for certain plus make it far tidier under the hood. Although the the Dakota DSL-1 would be better with a gear tooth sensor instead of using the belt driven alternator tachometer output. Alternators go out, belts fail. It would work but gear tooth sensors are...

The only issue I can see is running the compressor off a single belt. At certain times, the load can exceed the power capacity of the belt meaning the belt lifespan is drastically shortened at proper tension. But there just isn't enough room to run a standard belt while maintaining the dual...

I can get a 4L80e core for $250. With the Baumann controller at $600 and an overhaul kit for $250, I am right at $1100 plus a week of my time. The install will require minor machining of the adapter plus engine mounts to move the engine forward 1-1/2" (DIY fabrication). So I plan on $1600 for...

Interesting thread. Since I am pretty handy, retrofitting a 2WD 4L80e to 4x4 seems like an easier proposition .. I would think having the TOSS at the transmission instead of the transfer case would be better off road. And DEFINITELY for operation of the PTO. Having the torque converter...

Excellent writeup. I want to do the same on my 1031. That is a NP205 figure 8 pattern. You mentioned the machining of the adapter, this would be a must since the figure eight bolt pattern adapter is rare.

More than likely, it was painted stateside for deployment in ODS but never went. There were MANY reserve units activated but never sent. Which reminds me, if the weather holds, I should be able to get hoses crimped and my AC system prepared for charging. I'm going with a 24 hour vacuum hold...

That would work. Except on my 1031, there the lock that keeps the generator compartment secure does the same for the fuel cap. Of course a deviant thief could easily cut the filler hose.

Yes, I have a set of R134a manifold gauges. 40 F at the evaporator during the hottest weather would be perfect. The only performance chart I have found for the Sanden SD7H13 is at 28/135 F evaporator/condenser temperatures. So at a lower delta T, the performance should be much better. I...

I finally got around to restarting my air conditioning project on my M1031. That would be the 28 volt electric drive compressor and under dash evaporator. Measured and cut all the hoses and bent the compressor-condenser tube (long distance between compressor and condenser). Wired up the...

Cute but it is just a linear actuator, not a solenoid relay so it cannot be used to replace the weak starter relay.

Because of the tilt of the engine, when it is moved forward, it will move up a bit too. Moving it is along the crank axis so the front cross member will just barely clear the oil pan, plus or minus about 1/4" which should be enough for the resilient engine mounts. There is a LOT more to moving...

Yes, the valve on the injection pump that has the top hose to transmission and bottom hose to the vacuum pump. There is a special gauge block to adjust the valve but you can make it yourself. Or just trial and error. I found a genuine AC Delco part on that website named after a South American...

I am thinking of upgrading to a 4L80e transmission in my 1986 M1031 SECM. I want to keep the PTO driven off the NP205 because I use it a lot. But with the increased length of this transmission, three driveshafts will need modification. I was thinking moving the engine forward 1.5" would be...

Leave it stock at 3.08:1. The 700R4 has a little lower first gear, with a proper throttle valve cable setup and kickdown switch, the transmission will drop out of lockup and OD when you need to pass. This combination will be perfect for accelerating at highway speed. You have enough torque at...