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aua Machine shop called. The shop they subbed the work out to discovered that they need to disassemble the head to do the welding and practically doubled the quote. $1400 for R&R of one (1) head :shock: craaazy. I pulled the plug on the shop and will deal with getting the old heads back next...

Went exactly as Gerhard predicted. Dropped pan, had sufficient clearance to access the deep sump oil pipe and remove it - pull pan out, done!

Just an update on progress! I keep the engine on my single axle trailer, just so I can move it, if needed. I don't have an engine hoist or any other lifting device. The trailer also provides an elevated, clean work platform for me. Yesterday I stood the engine up onto its bellhousing, after...

I just removed my air compressor and base (and the oil filter base and the fuel filter base and the tappet cover...) Nothing to worry about. I would remove the air compressor first (4 bolts), simply for better access. It is straightup bolt removal for the base; no secrets. As you already said...

I spoke to an old-timer today who was shop foreman at Hercules Engines and he told me exactly what you posted!! Thanks and hopefully this info will be useful for others that stare at their cylinder heads and wonder if they can be redone.

Will post Monday/Tuesday how it went!

Situation: engine out, cribbed on blocks of 6x6 on my trailer (so I can work on it and move it; I have no lifting devices). I have approximately 10 inches of clearance underneath the "deep" hump of the oil pan (about the depth of the sump). Before I lay down inside the trailer, spoon with the...

NEW for that price would be awesome. For "good, used", from what I found, it's close, price-wise. A good used LDT head is, what, about $150-200? I've seen them up to $300. Then there is shipping (and they sure are heavy!). Then I still have to swap the LDT stuff for LDS valves and springs, have...

Allright, so we shall see. One head is ok, the other needs to have cracks fused in three locations. Over-the-thumb quote is running at about $600. No choice, really. I don't have the heads, so can't check which valve springs they have. Is it crucial to swap for the new style?

Passed this info on to the shop. Now let's see what they say. IF, Plan B, I need replacement heads, I suspect the LDS heads are not exactly the same as LDT heads? At least need to use the LDS valves and springs?

I finally managed to talk to a coherent individual and their concern is that they need to weld three cracks, which always causes some amount of warpage. They then resurface. They are not concerned that they will take away so much material that they cut into the coolant passages, but they want to...

The heads come off a Continental-rebuilt LDS-465-1A. The engine is definitely rebuilt, because the rod and main bearings are 0.20 oversized. I have no way of knowing if the heads were also re-surfaced during the rebuild (or if the engine is on its fifth or ninth head gasket...). My understanding...

So the machine shop has my heads and they panic a little (I thought they did plenty of trucks and tractors, but maybe not). First, they were concerned about cracks. I supplied the pertinent info out of the LDS troubleshooting manual (cracks typically in two locations, between valve seats and...

I know where ONE of them went...into the push rod passage and **splash** into the oil pan. I will find it later. However, I am still missing TWO head nuts (and for a slightly anal-retentive person, that is bad news. 28 studs, 28 washers, 26 nuts). I have no idea how I could have misplaced them...

Not to dampen your enthusiasm, but did you jump the starter with 24V before open heart surgery? It may be as simple as a bad ground... Also, a modern gear reduction starter is available, if your starter is truly u/s and you are looking for a reasonably priced alternative.

Glad to see that things smoothen out for you! It is nice that you make the effort to keep an original gasser an original gasser and not do a swap of some sort. I think that they are not outright rare, yet, but they sure seem to become rare-ish, especially sound trucks with strong running...

Yes, I bought one and installed it. It appears to be a well-made unit. It is not just a copy of the original, but a better engineered version. Someone here with a lot more knowledge and experience in fuel injection systems looked at it in more detail and it checked out very much ok.

Thanks, G. SO the LDS multifuel flywheel will NOT work in a Deuce, given the measurement differences?

Yes, and the LDS pistons have double oil squirters as well as the 4 rings.* *EDIT: Thanks SCSG-G4 - he points out that the LDS-465-1A pistons apparently also have 3 rings** If one feels really spendy, then one could use the rebuild set for the 478 Hercules tractor engine - the pistons are Diesel...

Yes, gasket set head new style.