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"The owner indicated the coating was designed to wear less than metal on metal splines and was more forgiving to drivelines that rarely got greased." Well, these ones should never get greased. You don't want to damage the coating. Grease has forever been problematic in splines as the rotation...

Direct drive the motor of the starter is inline with the pinion gear. With the gear reduction starter the motor is offset. Your first picture on this post looks like a 28MT which is a gear reduction starter.

It's direct drive vs gear reduction starters. The 28MT is the gear reduction starter. You'll need the bracket for that one.

It's a nylon or epoxy coating that contains lubricant. It prevents fretting wear caused by normal movements of the coupling. There are a few suppliers of these types of coatings. https://www.wrightcoating.com/specialty-coatings/processes/wrylon

My 1986 CUCV had the triangle spacers. The 2001 6.5 engine I am installing in it didn't have the spacer. I will be using the 1986 mounts and spacer though I can't see any visual difference between the two.

"Electricity travels on the outer surface of the wire and once corrosion starts so does resistance." Skin effect is only at very high frequencies and with AC power. https://en.m.wikipedia.org/wiki/Skin_effect With that said, corroded wires are never a good thing.

If it broke the bolts then it was certainly working. The brackets should be the same regardless of voltage. You can spin the starter off engine. I usually grab the motor lug and starter housing with jumper cables and put my foot on the starter. Make the connection at the battery side, the...

The Delco 28MT is the premium starter for this engine. It's available in both 12 and 24v models.

Honestly, the 6.2 heads will have cracks and the shop will want to repair them. The cracks are usually superficial. But, I have noticed that the fire rings wear into the cylinder block and a head gasket replacement will snowball into a full teardown. These head gaskets don't have any elastomer...

Just grind the heads off the bolts. The won't be tight anymore and you can unscrew the remains with pliers once the manifold is removed.

The only thing anywhere near the bottom of the pan is the oil pump pickup. There is not much to get damaged down there. It is wise to replace the pan or at least hammer the dent out as the dent can block the oil pickup. When you replace the pan, buy the gasket kit for the rear seal but toss the...

Do give us details. What was wrong about the pump?

I have the same tool. It definitely takes some talent to use effectively. You must be able to rule out metric sizes. Metric isn't that common in valves and such but I suggest a good caliper to take measurements.

The white ring is simply a backup ring. It prevents extrusion of the o-ring under pressure. They follow the same size format as the o-ring. You can cross reference the Cat part number to get the dash size of the o-ring. McMaster-Carr Page: https://www.mcmaster.com/backup-rings If this...

Revs up and trips immediately? That sounds like the speed setting is too high. In the above picture, it's the blue "freq" potentiometer on the left.

I don't have specific knowledge or this engine but I never mark timing components when disassembling. I always follow the factory timing procedure during reassembly.

They're mostly still available. These aren't solvent based or have flash points over 140F so they aren't controlled under the VOC rules. The Big Orange is orange based and cost is highly dependent on winter temps. The price goes up if there is a winter freeze. I have noticed a lack of caustic...

That is a caustic cleaner so take caution with paint as I mentioned.

The rock crawlers mate up a NP205 and 203 transfer case for their low ratios. Kind of a long setup, though.

Does anybody have a Safety Data Sheet for this lube? That could also help identify alternatives. Dow Corning Molykote 111 is my go to rubber lube for long term applications. There are better products but this one hits a nice price point at about $40 for a grease gun tube.