Going to have to rebuild it. Can anyone recommend a good mechanic in Arkansas that will rebuild it. Talked with a local builder, after reading bulletins on this particular engine, he won't touch it.
You can push past the stuck part with engine laying on its side. It is still difficult but will push through. Engine sitting upright locks up in same spot and can't push through.
Had a friend who bought a used 2005 4.7 30,000 mile engine. Supposedly running from a junkyard. Tried to turn motor over with breaker bar but will only go halfway around either way. Feels like very low compression compared to old engine. So far we have pulled the oil pan, intake, and valve...