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Sierra, check this thread out for a method of loosening lug nuts: http://steelsoldiers.com/index.php?name=PNphpBB2&file=viewtopic&t=6227&highlight=lug Credit to Joel (BFR).

Heating is the key to successful use of the bio/veggie oil. About the crane, yes, my truck was an M49A2C fuel tanker when I got it from the USMC more than ten years ago.

Thanks Ron, the 8x8 is ideal for the extra weight of the crane. It's just a matter of doing it. Here is the 10-ton MAN with a Grove crane working the trailer now parked alongside for reach. This truck tractor and the Oshkosh M983 w/crane replaced the XM757 in the mid 1980's.

Yeah, you have the weather we usually get here in the winter, no fun to work outside, that's for sure. About the pump in the image above, the Navy specified a smaller (this one) pump when this crane was mounted back in 1975, I always wondered what the mfg's original pump would do to crane...

Here is Patrick's great looking rig (that's Peter, aka Opie, in the back during their visit a couple of months ago).

I'm not sure what whould make a "phenomenal" difference in performance, since I'm quite happy with my fronts, no shimmy at any speed, truck runs smooth and straight when I momentarily let go of the steering wheel, good on and off road performance. Got thousands of miles to prove it. I do not...

TBIg, drilling the frame may turn out to be a project, it's heat treated. :-)

Lax, the contact area is not just the center portion, but extends to the edges of the tire. I have another image which shows the contact area after a long highway run better, but this picture shows the area dust/dirt covered. The tire is 1100-20 and the pressure is 70 psi. Tire load is about...

Thanks Wade, those numbers seem to agree with the drawing, no more actual numbers needed. Much appreciated. The question came up when I played with the idea of fitting the HIAB onto the XM757. I would end up with about 48 inches of clearance. The deck in front of the crane is 54 inches long.

Tire siping is best done by hand, takes about 15 minutes/tire. The cuts are 1/4 inch deep and the rubber gets a better grip on wet pavement and even ice. The idea came from Sperry deck shoe patent in the 1940's. I have about 5,000 miles on my siped tires, but very little on wet pavement, so I...

FWIW, two different philosophies on mounting the 5th wheel, one avoids drilling the flange of the frame. The M52 version uses rivets for its mounting.

Okay Mike, got it. :-)

Other gauges, including a (temporary) DVM attached to the air intake to measure intake manifold air temp. The filter canister vacuum image also shows the exhaust brake back pressure gauge just below it.

Joel, not much space left here....

Not much room between the hub and the radiator. About 2 inches max. Four each 8" fans could be located around the hub, though. The current draw will be a factor, add it up and check your generator/alternator capacity....

From the "Florida round up" thread: I think this is important enough to show in detail. The oil line is shown in the images below. It connects to the fitting labeled "B" in the second picture.

Resowc, interesting site, lots of goodies (oregon fuel injection). http://www.o-f-i.com/ My homebrewed bio jells up long before 18°F and I wouldn't think of using it below freezing without heating it..... Need to put some store bought stuff in the fridge and see what happens....

I'm sure you are aware that the lug nuts are left and rights and may be installed on the wrong side of the truck. Look for the "L" or "R" stamped on the nuts to make sure.....

The tire that blew looked like the one in front of it, the tread part peeled off and was left behind along the road somewhere. It lasted almost exactly 1,000 miles. All tires on this truck are dated 1969 or 1970. I may have to spend some big bucks before taking this thing on a road trip again. aua

FWIW, the yellow extended into the 1970's according to this PS mag note.