99 expy 5.4 head change

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Old Jan 16, 2012 | 01:38 PM
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99 expy 5.4 head change

Alright, so I still am having major issues here so hopefully someone can at least point me in the right direction.

After the second issue with the rear passenger side plug I decided to replace the head, the cracked exhaust manifold and leaking head head gasket on the passenger side.

After getting everything reassembled which seemed to be OK I started turning the crank by hand and sure enough it stopped dead.

Turned crank the opposite way it went about 320 degrees before stopping again.

I assumed I either timed it wrong or had jumped so apart it came.

It appears that my timing is dead on but figured I will re time again.

Problem is I cant get the crank to roll over more than 320 degrees in either direction. I cant get the drivers side back to its timing location.

Assuming it was hitting a valve I went ahead and turned the passenger cam some so as to close the valve it was hitting. I have rotated that cam 360 degrees and still can not move the crank beyond its 320 degrees.

Has anyone ever had a re manned head come in contact with a piston?

I have a hard time believing it is the drivers side since nothing was ever touched over there.

I removed all the plugs on the re manned head but still cant turn the crank.

Anyone have any ideas?

This thing is getting really frustrating. I don't have much in it and my wife loves driving it.
 
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