jhigareda, I don't know how much a rebuild would be yet. I do plan on calling a few places to see what it would cost to get the engine back to perfect.
Scott, I was really surprised that just one burnt valve would cause the cylinder to completely lose compression. I mean there was ZERO pressure in that cylinder during all the tests that I had done on it. I haven't had a chance to really get into it yet, but that burnt valve must really be wonky if it's not seating to the head at all.
So, with Scott's comment about the excessive carbon build up possibly causing increased compression/ exhaust gas temperatures, my question is; how do we get rid of the carbon build up in the cylinders without completely tearing the engine down to scrape it off of the pistons? I ran some sea foam through the motor, a few months before replacing it, but obviously that didn't do anything. Did I do the Sea Foam too late? In other words was the carbon already "bonded" to the pistons and wasn't coming off no matter what I did?
As I get deeper into the engine I'll report back on the condition of the rings and whether they were gunked up with carbon too causing them to stick.
If it's not too expensive I do plan on having the engine rebuilt, but I haven't decided what I would want to do with it yet. I would hate to sell Vicki's original heart, but recouping some of the replacement engine expenses would sure be nice.
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong, it usually turns out to be impossible to get at or repair."
-Douglas Adams, Mostly Harmless
You might want to consider having it done and sell it as a fresh rebuild or sell it as a rebuildable core and recoup some of your expenses...
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