Yep, that's fatal. Real curious how it managed to crack there.... Don't think I have ever seen that before. Time for another block. Sorry man. That really sucks.

 

My thought was that this was caused by the valve springs binding and it just beating the crap out of that cam/block. I am surprised that I didn't bend the push rods though.

 

Very unfortunate but glad you found the oiling problem. Time for a new 5.9 engine block and just to be sure, I'd have that camshaft checked out, too.

 

Yes I'll have the camshaft and crankshaft both checked out. I found a used 5.9 semi-close to me for $400. To think I paid $50 for my core engine when I bought it. So I'm more or less starting over again.

 

Ah, but, all the mistakes were made the first time around, and you won't repeat them.... Should go smoother this time.

 

Called the machine shop today and they checked around & found a engine in a junkyard closer to me & for $250. So I should be picking it up next week and taking it along with all the engine parts to the machine shop once I do.

Since the engine has ran for 10 hours or more from what I know I'll need to replace the piston rings? Is that correct? Obviously I'll have the cam checked out to make sure it is OK. And the crankshaft will be checked to make sure it's still in tolerance. The heads won't need to be checked again since we just went through that
Anything else you guys would suggest I would want to do while I'm doing this?

 

When you obtain your next block, I'd be sure to inspect and prep the block before taking it to the machine shop. This includes de-burring the block for things that might chip off and get into the engine, in addition to opening up the main bearing oil passages with a long drill bit as mentioned in the small block oiling tips. The attached photo with the areas outlined in 'yellow' is one of the areas that should be de-burred with a die grinder and carbide cutter/stone. Personally, I also knock out all of the block freeze plugs and dig all of the accumulated muck from around the cylinders to help with cooling. While this can be left to the machine shop, I do it myself to ensure it's not left to chance.

 

Picked up a new block today. Will start getting it tore apart tomorrow. Will have some spare parts once it's tore apart. Could use them on my truck or if someone needs something let me know.




It's pretty complete.






And while hard to see here's that "360" stamping.



Once I get the grease off it help me remember if I can tell the casting date by the other stampings that are on the block?

 

Casting date should be on there somewhere, buried under all the grease and dirt.

Hey, I didn't come with the serpentine belt..... that should knock a few bucks off the price.

 

Man that really sucks, that engine has been a nightmare. I'm thinking the machine shop I went to put a curse on that thing. I'm glad to see your not giving up.