Water in Oil

[KC]

When I had to replace the original block in our halftrack because of a failed attempt to fix an external crack, finding a good replacement block was tough. The first replacement block was an old stock / rebuilt and pickled many years ago. It was covered in a black tar like coating, block cylinders were resleeved and new valve guides and seats installed before being pickled. When I had that one pressure checked it had at least 5-6 internal cracks and was uneconomical to repair. The second replacement block had one crack from a cylinder wall to a valve seat when it was pressure checked. This one was repaired by welding / machining the crack and resleeving the cylinder. So I have had my share of cracked halftrack blocks, but after all they are 70yrs old with many years of abuse.
My $.02, Karl

[johne504]

Ok, I dumped two 16 oz "head gasket stop leak" I picked up from the local auto parts store.  Because of the larger cooling capacity it took two.  It seems to have sealed the leak.  I let it set for almost 48 hrs with the oil plug out, and no drippy.... I put new oil in it, and been running it for over a hour now, and water level has not gone down. I will find out in a couple of days after it sits if it is getting any water in the oil again.  The bad news, I think I ran it for a little while with water in the oil, and did some damage to my rod bearings.  I can tell the bottom end is a little loose.  No way of knowing because It could of been that way when I drug it out of the farmers field.  I'm contemplating just trying to throw some new rod bearings in it, with a new oil pan gasket for now, and see what it sounds like, and what the oil pressure is.  Oil pressure is only about 30-35 when at 2000 rmp.  seems low to me.  Idles around 15-20.... When I took the head of it did have a pretty pronounced ridge on the cylinders, so it does have a few miles on the engine.  a little blow by also.  but, hey, at least it runs, and I can drive it around low speeds for short distances.  perfect for parade speeds.......

[steve1973]

John,
I sell new oil pan and side cover gaskets $60 a set. Let me know if you need one.

Steve A.

[andy]

Being a mechanic I too didn't like cheap fixes, but, cheap customers mean cheap fixes. I actually called rislone a few times with questions, and was very satisfied with answers, so telling the customer i give no warrentees we proceeded. It worked, and going on 2 years. Since then I have used it in my own cars and other customers. You cant expect it to work and a severe leak.

As for damage to bearings, Ive seen water in the oil many times, and customers that just wanted oil change not the 800 dollar head gasket change. I have never seen any damage from water in the oil, unless it has been sitting for a time, then rust starts. Of course if there is a ton of water than that's different. If you have just whiteish froth in oil, just do a few oils changes in short successions.

Andy

Ok, I dumped two 16 oz "head gasket stop leak" I picked up from the local auto parts store.  Because of the larger cooling capacity it took two.  It seems to have sealed the leak.  I let it set for almost 48 hrs with the oil plug out, and no drippy.... I put new oil in it, and been running it for over a hour now, and water level has not gone down. I will find out in a couple of days after it sits if it is getting any water in the oil again.  The bad news, I think I ran it for a little while with water in the oil, and did some damage to my rod bearings.  I can tell the bottom end is a little loose.  No way of knowing because It could of been that way when I drug it out of the farmers field.  I'm contemplating just trying to throw some new rod bearings in it, with a new oil pan gasket for now, and see what it sounds like, and what the oil pressure is.  Oil pressure is only about 30-35 when at 2000 rmp.  seems low to me.  Idles around 15-20.... When I took the head of it did have a pretty pronounced ridge on the cylinders, so it does have a few miles on the engine.  a little blow by also.  but, hey, at least it runs, and I can drive it around low speeds for short distances.  perfect for parade speeds.......

[HenryVIII]

If you have the pan off you might want to check the bearing clearances with some plastic gauge. It should tell you if the bearings are loose and then you can decide how to proceed. I think the mains should be ok. But if you do have problems it will most likely be the rod bearings.

Henry

[steve1973]

Now that I think about it. When my head gasket blew and I changed fluids I had a lot of coolant in the oil for some time I'm guessing. Even though I changed the fluids I developed a low end rod knock. That is why I'm pulling my engine.

Steve A.

[johne504]

Thanks for the replies. I probably will end up replacing at least the rod bearing and gaskets. This will probably solve the rumble it makes at an idle. Still no water in oil after stop leak.