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The heater is mounted on the rear trans tunnel. The exhaust is routed out the rear. I fabricated a secure means of supporting the exhaust and routed it out behind the cab, next to the transfer case, and rear of the fuel tank.

The standard coolant heater, even when installed in the cab, really isn't quite enough so I looked at the arctic heater options. Based on the discussion on this forum, the Benmar seems to have a better track record. As it turns out, there is a 20k btu Benmar heater available from the usual...

I have six of the nice fuel pumps that were on ebay several years ago; not an issue. I can use the fuel level switch/ relay to control which pump is on. What I am wondering if there is any technical negative to feeding ~7psi to the PT pump.

I have an M818 with NHC250, is there any reason not to install M35A2 fuel pumps into the M818 tanks? I realize that the opening in the tank needs to be enlarged but it seems that supplying pressurized fuel would be beneficial. I already have all the parts so cost is not an issue.

I really like the electric wipers with the 14" wiper blades.

In short, NO. There is a great book about Allis Chalmers (Plow Peddlers) wherein the author discusses this in words that I can't put on this forum.

I am in the same situation and bought the tool to remove the tach drive assembly. Once it is out, do I simply press the old shaft out of the gear and press the new shaft into the gear?

For the onan, I used the same ferrule as the multifuel. Unfortunately, to get a fitting, I had to cut one off a spare onan injection line. I never thought I'd need a generator where I live but we lost power last summer during a massive storm. Went from daylight to black as night in the time...

It isn't very hard to do. I posted a thread with part numbers showing how to adapt the multifuel injector to an import pop tester.

I have found that most (at least all that I have encountered) injector issues are due to the pintle being stuck/ sticky. Freeing it up and cleaning it up has been sufficient to put it back in service. There are low cost injector pop testers on Amazon for less than $100 which work fine. My pop...

I have attached two pics of the gears for review.

All, I appreciate your suggestions. However, none of what has been posted makes me feel any better about keeping this differential. I bought what was advertised as in "good" condition from a truck with low miles and this one is not.

Rusty and Mullaney, thanks for the insight. I agree that the differential should not be run as is. What I am wondering is will it likely be OK once the backlash is set properly or should I try to get a differential that is in better condition?

I purchased a deuce differential assembly with the intent of installing an ARB air locker, then swapping that with the one currently in the rear of my bobbed deuce. The ring to pinion backlash is ~0.020" versus the spec of 0.005" to 0.015". While there are shims that can be removed to move...

If you do a "google scholar" search, you can limit results to journal publications. A search for "continental aviation variable compression ratio" yields two interesting papers: "A variable compression ratio engine development" by W. A. Wallace of Continental and F. B. Lux of the Army Tank...

Continental developed a 350HP engine based on the 478 cubic inch "multifuel" engine. Some interesting features other than the power output: Variable compression ratio: a high of 17:1 and a low of 10:1 The BSFC was 0.380 lb/ hp*hr which is actually better than the LDS engine Still using the...

Continental's design literature states that the manifold is heated to improve cold weather operation.

The intake is heated (this is described in the Continental literature). If the intent were to cool thi intake charge, they wouldn't be running the coolant exiting the engine through the intake. I don't think anyone actually proved that the LDS rockers had a different ratio.

Driveshafts have a critical speed beyond which they can whip. Here is a link to a calculator of that speed: https://spicerparts.com/calculators/critical-speed-rpm-calculator

I use a straight section from the lower hose.