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In a previous post you said:

 

"one of my techs did a head gasket job a week ago and I believe both heads were replaced due to flatness concerns. Came back on a hook at the end of the week and he just got it torn down again. Cylinder #2 has an exhaust valve snapped off and embedded into the piston.

 

My point is that the resulting debris actually traveled to the next two cylinders causing more damage. What looked like a problem with the entire bank actually can be pinpointed to one cylinder. "

 

Was this caused by debris left behind during the headgasket job, or by one of the new cyl. having a new valve that just decided to break off?

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Was this caused by debris left behind during the head gasket job, or by one of the new cyl. having a new valve that just decided to break off?
Like the question of how many licks does it take to get to the center of a Tootsie Pop - the World may never know. /forums/images/%%GRAEMLIN_URL%%/smirk.gif I would say the head had a problem. The debris I had mentioned was from the broken valve pounding pieces of aluminum off of the piston and out into the manifolds where it made it's way into the other cylinders. That's my best guess on the chain of events. This truck is also suspected of being abused and is now on it's second engine. We are the second dealer to have the privilege of working on it.
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Actually the Rooster came first. But thats another story.

 

I really think that the head had a problem, the tech said he only found one of the valve keepers so who knows? Was it lost or was it never there? Look things over really well before you bolt them on.

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